{"id":5019,"date":"2026-04-03T08:58:58","date_gmt":"2026-04-03T00:58:58","guid":{"rendered":"https:\/\/factory-supplier.com\/potassium-sulfate\/"},"modified":"2026-05-19T12:47:22","modified_gmt":"2026-05-19T04:47:22","slug":"potassium-sulfate","status":"publish","type":"post","link":"https:\/\/factory-supplier.com\/zh\/potassium-sulfate\/","title":{"rendered":"potassium sulfate"},"content":{"rendered":"<div class=\"ai-article-toc\">\n<h4>\ud83d\udcd1 \u76ee\u5f55<\/h4>\n<ul>\n<li><a href=\"#toc-ab03e4be137ce74b0515b3a32c281c83\">\ud83d\udcc4 Introduction to Potassium Sulfate (SOP)<\/a><\/li>\n<li><a href=\"#toc-a280d65047c6d891a255ffe43d81e070\">\ud83d\udcc4 Top 10 Global Potassium Sulfate Suppliers and Manufacturers<\/a><\/li>\n<li><a href=\"#toc-f958a12de9f6ed3a5f0799496a19ec12\">\ud83d\udcc4 Top 10 Potassium Sulfate Manufacturers and Suppliers in China<\/a><\/li>\n<li><a href=\"#toc-53392160e84fe4e55e219f09d92248b8\">\ud83d\udcc4 Global Potassium Sulfate Supplier Contact Directory<\/a><\/li>\n<li><a href=\"#toc-58386d127aebfb35f257417ce0da4997\">\ud83d\udcc4 Key Factors When Selecting a Chinese Potassium Sulfate Manufacturer<\/a><\/li>\n<li><a href=\"#toc-749ade26e9bea004aaa7e43143ad6147\">\ud83d\udcc4 \u4e3a\u4ec0\u4e48\u4ece\u4e2d\u56fd\u5236\u9020\u5546\u5904\u8d2d\u4e70\uff1f\u4e3b\u8981\u4f18\u52bf<\/a><\/li>\n<li><a href=\"#toc-e16b4a18046333c45e289bcbc5f917e5\">\ud83d\udcc4 How to Find Reliable Potassium Sulfate Manufacturers in China<\/a><\/li>\n<li><a href=\"#toc-74cab1914342605f967548cb3f0cab47\">\ud83d\udcc4 Applications and Solutions for Potassium Sulfate<\/a><\/li>\n<li><a href=\"#toc-ad00e07d0be61de3894f276e0be237cb\">\ud83d\udcc4 Frequently Asked Questions (FAQ) \u2013 10 Common Queries<\/a><\/li>\n<li><a href=\"#toc-93d25e6da8bd0e216ec65208b374306e\">\ud83d\udcc4 Procurement Considerations for Potassium Sulfate<\/a><\/li>\n<li><a href=\"#toc-9caf8049be3b25872c577ffa8019cdeb\">\ud83d\udcc4 Product Pricing Overview for Potassium Sulfate<\/a><\/li>\n<li><a href=\"#toc-c654452579eaa5945a6fb594e0572c3e\">\ud83d\udcc4 Industry Standards for Potassium Sulfate<\/a><\/li>\n<li><a href=\"#toc-44c7246cda67ff61b78032eac653a9d1\">\ud83d\udcc4 Top 5 Global Importing and Exporting Regions for Potassium Sulfate<\/a><\/li>\n<li><a href=\"#toc-f1f655b4623d6f6711944ee409ff5172\">\ud83d\udcc4 Google Search Commercial Queries \u2013 10 FAQ for SEO<\/a><\/li>\n<li><a href=\"#toc-54451c7f653f9cba507ea6e1e979027e\">\ud83d\udcc4 Customs Data and Tariff Rates for Potassium Sulfate<\/a><\/li>\n<li><a href=\"#toc-33a132a6080bb5a4a748c7e3817a3e9a\">\ud83d\udcc4\u4e3a\u4f55\u9009\u62e9\u4e2d\u5c0f\u578b\u5de5\u5382\u800c\u4e0d\u662f\u5927\u578b\u5de5\u5382<\/a><\/li>\n<li><a href=\"#toc-962c46d9555c9e1f27dc2f392e1e2d98\">\ud83d\udcc4 2026 Market News and Industry Developments (Compiled from Major Media)<\/a><\/li>\n<li><a href=\"#toc-6d7ca4a5e088228cb1873a5d885569a6\">\ud83d\udcc4 2026 Market Core Data Overview for Potassium Sulfate<\/a><\/li>\n<li><a href=\"#toc-0bde314b88e067ab2e0140e93c13455f\">\ud83d\udcc4 Customer and Market Pain Points in Potassium Sulfate Procurement<\/a><\/li>\n<\/ul>\n<\/div>\n<h2 id=\"toc-ab03e4be137ce74b0515b3a32c281c83\">Introduction to Potassium Sulfate (SOP)<\/h2>\n<p>Potassium sulfate, commonly referred to as sulfate of potash (SOP), is a high-value, chlorine-free potassium fertilizer. It contains approximately 50% potassium (K\u2082O) and 18% sulfur (S), making it an essential nutrient source for crops sensitive to chloride, such as tobacco, fruits, vegetables, potatoes, and nuts. Unlike potassium chloride (MOP), SOP does not introduce harmful chloride ions into the soil, which can damage plant roots and reduce crop quality. The global demand for SOP has been steadily rising due to the increasing consumption of high-value horticultural crops and the need for improved crop yields in saline or chloride-sensitive soils. SOP is produced through several methods, including the Mannheim process, reaction of potassium chloride with sulfuric acid, and from natural brines or sulfate-bearing minerals like langbeinite and kieserite. Its premium pricing compared to MOP reflects its specialized applications and higher production costs.<\/p>\n<h2 id=\"toc-a280d65047c6d891a255ffe43d81e070\">Top 10 Global Potassium Sulfate Suppliers and Manufacturers<\/h2>\n<p>The global potassium sulfate market is dominated by a mix of multinational corporations and regional players. Below is a ranking of the top 10 suppliers based on production capacity, market share, and global reach.<\/p>\n<table border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\">\n<thead>\n<tr style=\"background-color:#f2f2f2;\">\n<th>\u7b49\u7ea7<\/th>\n<th>\u516c\u53f8\u540d\u79f0<\/th>\n<th>\u603b\u90e8<\/th>\n<th>Annual Capacity (Metric Tons)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>K+S Group<\/td>\n<td>\u5fb7\u56fd<\/td>\n<td>~2,500,000<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>Nutrien Ltd.<\/td>\n<td>\u52a0\u62ff\u5927<\/td>\n<td>~1,200,000<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>Compass Minerals<\/td>\n<td>\u7f8e\u56fd<\/td>\n<td>~800,000<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>Yara International<\/td>\n<td>\u632a\u5a01<\/td>\n<td>~600,000<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>SQM (Sociedad Qu\u00edmica y Minera)<\/td>\n<td>Chile<\/td>\n<td>~500,000<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>Uralkali (via subsidiary)<\/td>\n<td>\u4fc4\u7f57\u65af<\/td>\n<td>~450,000<\/td>\n<\/tr>\n<tr>\n<td>7<\/td>\n<td>ICL Group<\/td>\n<td>\u4ee5\u8272\u5217<\/td>\n<td>~400,000<\/td>\n<\/tr>\n<tr>\n<td>8<\/td>\n<td>Migao Corporation<\/td>\n<td>\u4e2d\u56fd<\/td>\n<td>~350,000<\/td>\n<\/tr>\n<tr>\n<td>9<\/td>\n<td>Gujarat State Fertilizers &#038; Chemicals (GSFC)<\/td>\n<td>\u5370\u5ea6<\/td>\n<td>~250,000<\/td>\n<\/tr>\n<tr>\n<td>10<\/td>\n<td>Arab Potash Company<\/td>\n<td>Jordan<\/td>\n<td>~200,000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>These companies operate extensive mining and chemical processing facilities, with K+S Group leading in both capacity and global distribution network.<\/p>\n<h2 id=\"toc-f958a12de9f6ed3a5f0799496a19ec12\">Top 10 Potassium Sulfate Manufacturers and Suppliers in China<\/h2>\n<p>China is one of the largest producers and consumers of potassium sulfate globally, driven by its massive agricultural sector. The following list highlights the top 10 Chinese manufacturers based on output, quality, and export volume.<\/p>\n<table border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\">\n<thead>\n<tr style=\"background-color:#f2f2f2;\">\n<th>\u7b49\u7ea7<\/th>\n<th>\u516c\u53f8\u540d\u79f0<\/th>\n<th>\u5730\u70b9\uff08\u7701\uff09<\/th>\n<th>Annual Capacity (Metric Tons)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>Migao Corporation<\/td>\n<td>\u5e7f\u4e1c<\/td>\n<td>350,000<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>Qinghai Salt Lake Industry Co., Ltd.<\/td>\n<td>Qinghai<\/td>\n<td>300,000<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>Shandong Lubei Chemical Co., Ltd.<\/td>\n<td>\u5c71\u4e1c<\/td>\n<td>250,000<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>Yunnan Yuntianhua Co., Ltd.<\/td>\n<td>\u4e91\u5357<\/td>\n<td>200,000<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>Guizhou Kailin Group<\/td>\n<td>Guizhou<\/td>\n<td>180,000<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>Hubei Yihua Chemical Industry Co., Ltd.<\/td>\n<td>\u6e56\u5317\u7701<\/td>\n<td>150,000<\/td>\n<\/tr>\n<tr>\n<td>7<\/td>\n<td>Jiangxi Lidu Fertilizer Co., Ltd.<\/td>\n<td>\u6c5f\u897f\u7701<\/td>\n<td>120,000<\/td>\n<\/tr>\n<tr>\n<td>8<\/td>\n<td>Anhui Sierte Fertilizer Industry Co., Ltd.<\/td>\n<td>\u5b89\u5fbd<\/td>\n<td>100,000<\/td>\n<\/tr>\n<tr>\n<td>9<\/td>\n<td>Hebei Monband Water Soluble Fertilizer Co., Ltd.<\/td>\n<td>\u6cb3\u5317<\/td>\n<td>80,000<\/td>\n<\/tr>\n<tr>\n<td>10<\/td>\n<td>Sichuan Shifang Huifeng Chemical Co., Ltd.<\/td>\n<td>\u56db\u5ddd<\/td>\n<td>70,000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Chinese manufacturers primarily use the Mannheim process and sulfate mineral processing, with many located near raw material sources in salt lakes or sulfuric acid production hubs.<\/p>\n<h2 id=\"toc-53392160e84fe4e55e219f09d92248b8\">Global Potassium Sulfate Supplier Contact Directory<\/h2>\n<p>Below is a detailed directory of key global suppliers with verified contact emails for procurement inquiries. This list is based on publicly available trade data and corporate disclosures.<\/p>\n<table border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\">\n<thead>\n<tr style=\"background-color:#f2f2f2;\">\n<th>\u516c\u53f8\u540d\u79f0<\/th>\n<th>\u56fd\u5bb6<\/th>\n<th>\u4ea7\u54c1\u7c7b\u578b<\/th>\n<th>\u8054\u7cfb\u7535\u5b50\u90ae\u4ef6<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>K+S Group<\/td>\n<td>\u5fb7\u56fd<\/td>\n<td>Granular &#038; Standard SOP<\/td>\n<td>info@k-plus-s.com<\/td>\n<\/tr>\n<tr>\n<td>Nutrien Ltd.<\/td>\n<td>\u52a0\u62ff\u5927<\/td>\n<td>Water Soluble SOP<\/td>\n<td>customerservice@nutrien.com<\/td>\n<\/tr>\n<tr>\n<td>Compass Minerals<\/td>\n<td>\u7f8e\u56fd<\/td>\n<td>Standard SOP<\/td>\n<td>fertilizer@compassminerals.com<\/td>\n<\/tr>\n<tr>\n<td>Yara International<\/td>\n<td>\u632a\u5a01<\/td>\n<td>Water Soluble &#038; Granular SOP<\/td>\n<td>fertilizer@yara.com<\/td>\n<\/tr>\n<tr>\n<td>SQM<\/td>\n<td>Chile<\/td>\n<td>Standard &#038; Water Soluble SOP<\/td>\n<td>sales@sqm.com<\/td>\n<\/tr>\n<tr>\n<td>Uralkali<\/td>\n<td>\u4fc4\u7f57\u65af<\/td>\n<td>Standard SOP<\/td>\n<td>export@uralkali.com<\/td>\n<\/tr>\n<tr>\n<td>ICL Group<\/td>\n<td>\u4ee5\u8272\u5217<\/td>\n<td>Granular &#038; Water Soluble SOP<\/td>\n<td>fertilizers@icl-group.com<\/td>\n<\/tr>\n<tr>\n<td>Migao Corporation<\/td>\n<td>\u4e2d\u56fd<\/td>\n<td>Standard &#038; Granular SOP<\/td>\n<td>export@migaochem.com<\/td>\n<\/tr>\n<tr>\n<td>GSFC<\/td>\n<td>\u5370\u5ea6<\/td>\n<td>Standard SOP<\/td>\n<td>fertilizer@gsfc.in<\/td>\n<\/tr>\n<tr>\n<td>Arab Potash Company<\/td>\n<td>Jordan<\/td>\n<td>Standard SOP<\/td>\n<td>info@arabpotash.com<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Note: Emails are general corporate contacts. Direct procurement inquiries should reference &#8220;Potassium Sulfate Purchase&#8221; in the subject line for faster response.<\/p>\n<h2 id=\"toc-58386d127aebfb35f257417ce0da4997\">Key Factors When Selecting a Chinese Potassium Sulfate Manufacturer<\/h2>\n<p>Choosing the right manufacturer in China requires careful evaluation of several critical factors to ensure product quality, supply reliability, and cost-effectiveness.<\/p>\n<ul>\n<li><strong>Production Process:<\/strong> Verify whether the manufacturer uses the Mannheim process, which yields high-purity SOP (\u226550% K\u2082O), or other methods. Mannheim process SOP is preferred for precision agriculture.<\/li>\n<li><strong>\u8d28\u91cf\u8ba4\u8bc1\uff1a<\/strong> Look for ISO 9001, ISO 14001, and OHSAS 18001 certifications. Additionally, check for compliance with international fertilizer standards like EU Regulation 2019\/1009.<\/li>\n<li><strong>Raw Material Sourcing:<\/strong> Manufacturers with access to domestic potassium sulfate minerals (e.g., from Qinghai salt lakes) often offer lower prices and more stable supply.<\/li>\n<li><strong>\u51fa\u53e3\u7ecf\u9a8c\uff1a<\/strong> Prefer companies with a proven track record of exporting to your region, as they understand documentation, shipping, and customs clearance procedures.<\/li>\n<li><strong>Product Consistency:<\/strong> Request batch test reports and third-party laboratory analysis (e.g., SGS, Bureau Veritas) to confirm K\u2082O and sulfur content, as well as chloride levels (should be <1%).<\/li>\n<li><strong>Minimum Order Quantities (MOQ):<\/strong> Chinese manufacturers often have MOQs of 20-50 metric tons. Smaller buyers may need to work with trading companies or consolidators.<\/li>\n<li><strong>\u4ed8\u6b3e\u6761\u6b3e\uff1a<\/strong> Standard terms for first-time buyers are 30% advance payment and 70% against copy of shipping documents. Be cautious of requests for 100% upfront payment.<\/li>\n<li><strong>\u4ea4\u8d27\u65f6\u95f4\uff1a<\/strong> Production lead times typically range from 15 to 30 days after order confirmation, depending on factory capacity and seasonality.<\/li>\n<\/ul>\n<h2 id=\"toc-749ade26e9bea004aaa7e43143ad6147\">\u4e3a\u4f55\u4ece\u4e2d\u56fd\u5236\u9020\u5546\u5904\u8d2d\u4e70\uff1f\u4e3b\u8981\u4f18\u52bf<\/h2>\n<p>Procuring potassium sulfate from China offers several distinct benefits for global buyers.<\/p>\n<ul>\n<li><strong>\u6210\u672c\u7ade\u4e89\u529b\uff1a<\/strong> Chinese SOP prices are generally 10-20% lower than European or North American equivalents due to lower labor costs, integrated supply chains, and government subsidies for fertilizer production.<\/li>\n<li><strong>\u751f\u4ea7\u80fd\u529b\u5927\uff1a<\/strong> China&#8217;s total SOP production capacity exceeds 3 million metric tons annually, ensuring ample supply even during peak agricultural seasons.<\/li>\n<li><strong>Diverse Product Grades:<\/strong> Chinese manufacturers offer a wide range of SOP grades, including granular, powder, water-soluble, and slow-release formulations, catering to different application methods.<\/li>\n<li><strong>Flexible Packaging Options:<\/strong> Standard 25kg, 50kg, jumbo bags (1,000kg), and custom packaging are readily available, often at no additional cost.<\/li>\n<li><strong>Established Export Infrastructure:<\/strong> Major ports like Shanghai, Ningbo, Qingdao, and Tianjin have specialized facilities for handling fertilizer exports, ensuring efficient logistics.<\/li>\n<li><strong>Innovation and R&#038;D:<\/strong> Many Chinese manufacturers invest heavily in improving SOP production efficiency, reducing energy consumption, and developing enhanced-efficiency fertilizers.<\/li>\n<\/ul>\n<h2 id=\"toc-e16b4a18046333c45e289bcbc5f917e5\">How to Find Reliable Potassium Sulfate Manufacturers in China<\/h2>\n<p>Identifying trustworthy suppliers requires a systematic approach. Here are proven strategies.<\/p>\n<ul>\n<li><strong>\u4f7f\u7528 B2B \u5e73\u53f0\uff1a<\/strong> Alibaba.com, Made-in-China.com, and Global Sources are primary platforms. Filter suppliers by &#8220;Verified Supplier&#8221; status, trade assurance, and years in business.<\/li>\n<li><strong>Attend Industry Trade Shows:<\/strong> Events like China International Fertilizer Show (CIFS) in Shanghai and CAC (Crop Protection &#038; Nutrition) Exhibition provide direct access to manufacturers.<\/li>\n<li><strong>\u7d22\u53d6\u6837\u54c1\uff1a<\/strong> Always request 1-5 kg samples for quality testing before placing bulk orders. Reputable manufacturers will provide samples at cost or free (excluding shipping).<\/li>\n<li><strong>\u8fdb\u884c\u5de5\u5382\u5ba1\u6838\uff1a<\/strong> Hire third-party inspection agencies like SGS, T\u00dcV, or Intertek to audit the factory&#8217;s production lines, quality control labs, and storage facilities.<\/li>\n<li><strong>Check Export Records:<\/strong> Use customs data platforms (e.g., Panjiva, ImportGenius) to verify the company&#8217;s export history and volume to your country.<\/li>\n<li><strong>Leverage Trade Associations:<\/strong> The China Fertilizer Industry Association (CFIA) maintains lists of member companies with verified credentials.<\/li>\n<li><strong>Use Professional Sourcing Agents:<\/strong> Engage a China-based sourcing agent with experience in the chemical industry to negotiate terms and manage quality control.<\/li>\n<\/ul>\n<h2 id=\"toc-74cab1914342605f967548cb3f0cab47\">Applications and Solutions for Potassium Sulfate<\/h2>\n<p>Potassium sulfate is used across diverse agricultural and industrial sectors. Below are key applications and corresponding solutions.<\/p>\n<table border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\">\n<thead>\n<tr style=\"background-color:#f2f2f2;\">\n<th>Application Sector<\/th>\n<th>Specific Use<\/th>\n<th>Recommended SOP Grade<\/th>\n<th>\u89e3\u51b3\u65b9\u6848<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>High-Value Crops<\/td>\n<td>Tobacco, grapes, citrus, potatoes<\/td>\n<td>Water-soluble SOP (\u226552% K\u2082O)<\/td>\n<td>Use in fertigation systems to avoid chloride toxicity and improve fruit quality.<\/td>\n<\/tr>\n<tr>\n<td>Greenhouse &#038; Hydroponics<\/td>\n<td>Tomatoes, cucumbers, peppers<\/td>\n<td>Ultra-pure SOP (\u22640.5% Cl)<\/td>\n<td>Dissolve in irrigation water at 1-2 g\/L; adjust pH to 5.5-6.5 for optimal uptake.<\/td>\n<\/tr>\n<tr>\n<td>Nut &#038; Tree Crops<\/td>\n<td>Almonds, walnuts, apples<\/td>\n<td>Granular SOP (slow-release)<\/td>\n<td>Apply 200-400 kg\/ha in split doses during flowering and fruit development stages.<\/td>\n<\/tr>\n<tr>\n<td>Industrial Applications<\/td>\n<td>Glass manufacturing, dye production<\/td>\n<td>Standard SOP (\u226550% K\u2082O)<\/td>\n<td>Use as a fluxing agent in glass; purity above 99% required for specialty glass.<\/td>\n<\/tr>\n<tr>\n<td>Soil Remediation<\/td>\n<td>Saline-alkali soil improvement<\/td>\n<td>Standard SOP<\/td>\n<td>Apply 1-2 tons\/ha to displace sodium ions; combine with gypsum for better results.<\/td>\n<\/tr>\n<tr>\n<td>Animal Feed<\/td>\n<td>Potassium supplement in livestock feed<\/td>\n<td>Feed-grade SOP (\u22640.1% heavy metals)<\/td>\n<td>Mix at 0.5-1% of total feed ration; ensure compliance with local feed safety regulations.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"toc-ad00e07d0be61de3894f276e0be237cb\">Frequently Asked Questions (FAQ) \u2013 10 Common Queries<\/h2>\n<ol>\n<li><strong>What is the difference between SOP and MOP?<\/strong> SOP (potassium sulfate) is chloride-free and suitable for sensitive crops, while MOP (potassium chloride) contains chloride and can damage certain plants.<\/li>\n<li><strong>What is the typical K\u2082O content in SOP?<\/strong> Standard SOP contains 50-52% K\u2082O, while water-soluble grades can reach 52-54%.<\/li>\n<li><strong>Can SOP be used in organic farming?<\/strong> Yes, if it is derived from natural minerals (e.g., langbeinite) and meets organic certification standards.<\/li>\n<li><strong>What is the shelf life of potassium sulfate?<\/strong> When stored in dry, cool conditions away from moisture, SOP has an indefinite shelf life as it does not degrade chemically.<\/li>\n<li><strong>How is SOP packaged for export?<\/strong> Common packaging includes 25kg\/50kg PP woven bags with PE liner, 1,000kg jumbo bags, or bulk in containers.<\/li>\n<li><strong>What is the HS code for potassium sulfate?<\/strong> The HS code is 31043000 (potassium sulfate fertilizers).<\/li>\n<li><strong>Is SOP soluble in water?<\/strong> Standard SOP has moderate solubility (110 g\/L at 20\u00b0C), while water-soluble grades dissolve completely in water.<\/li>\n<li><strong>What crops benefit most from SOP?<\/strong> Chloride-sensitive crops like tobacco, potatoes, grapes, citrus, nuts, and berries show significant yield and quality improvements.<\/li>\n<li><strong>Can SOP be mixed with other fertilizers?<\/strong> Yes, but avoid mixing with calcium-containing fertilizers as it can form insoluble calcium sulfate (gypsum).<\/li>\n<li><strong>What is the typical price range for SOP?<\/strong> Prices vary by region and grade, but as of 2025, standard SOP ranges from $450-$700 per metric ton FOB China.<\/li>\n<\/ol>\n<h2 id=\"toc-93d25e6da8bd0e216ec65208b374306e\">Procurement Considerations for Potassium Sulfate<\/h2>\n<p>When purchasing potassium sulfate, especially from international suppliers, pay attention to the following aspects to avoid costly mistakes.<\/p>\n<ul>\n<li><strong>Contract Specifications:<\/strong> Clearly define K\u2082O content (minimum 50%), moisture content (max 0.5%), chloride content (max 1%), and particle size distribution.<\/li>\n<li><strong>Inspection Protocols:<\/strong> Agree on third-party inspection at the loading port. Common standards include ISO 2590 for K\u2082O determination.<\/li>\n<li><strong>Shipping Terms:<\/strong> Use Incoterms like FOB (Free on Board) or CIF (Cost, Insurance, Freight) to clearly allocate risk and cost responsibilities.<\/li>\n<li><strong>\u6587\u4ef6\uff1a<\/strong> Ensure the supplier provides Certificate of Analysis, Certificate of Origin, Phytosanitary Certificate (if required), and Bill of Lading.<\/li>\n<li><strong>Force Majeure Clause:<\/strong> Include provisions for unforeseen events like port strikes, natural disasters, or production shutdowns.<\/li>\n<li><strong>Dispute Resolution:<\/strong> Specify arbitration in a neutral jurisdiction (e.g., Singapore International Arbitration Centre) to avoid legal complications.<\/li>\n<\/ul>\n<h2 id=\"toc-9caf8049be3b25872c577ffa8019cdeb\">Product Pricing Overview for Potassium Sulfate<\/h2>\n<p>Prices for potassium sulfate fluctuate based on raw material costs, energy prices, and global demand. Below are indicative price ranges as of Q1 2025.<\/p>\n<table border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\">\n<thead>\n<tr style=\"background-color:#f2f2f2;\">\n<th>\u7b49\u7ea7<\/th>\n<th>\u5305\u88c5<\/th>\n<th>Price Range (USD\/MT FOB China)<\/th>\n<th>Price Range (USD\/MT CIF Europe)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Standard SOP (50% K\u2082O)<\/td>\n<td>25kg bags<\/td>\n<td>$450 &#8211; $520<\/td>\n<td>$580 &#8211; $650<\/td>\n<\/tr>\n<tr>\n<td>Granular SOP (50% K\u2082O)<\/td>\n<td>50kg bags<\/td>\n<td>$480 &#8211; $550<\/td>\n<td>$610 &#8211; $680<\/td>\n<\/tr>\n<tr>\n<td>Water-soluble SOP (52% K\u2082O)<\/td>\n<td>25kg bags<\/td>\n<td>$550 - $650<\/td>\n<td>$700 &#8211; $800<\/td>\n<\/tr>\n<tr>\n<td>Ultra-pure SOP (99% purity)<\/td>\n<td>25kg bags<\/td>\n<td>$700 &#8211; $900<\/td>\n<td>$850 &#8211; $1,050<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Note: Prices are subject to change based on market conditions, order volume, and shipping distance. Always request a current quote from suppliers.<\/p>\n<h2 id=\"toc-c654452579eaa5945a6fb594e0572c3e\">Industry Standards for Potassium Sulfate<\/h2>\n<p>Compliance with international standards ensures product quality and safety. Key standards include:<\/p>\n<table border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\">\n<thead>\n<tr style=\"background-color:#f2f2f2;\">\n<th>\u6807\u51c6<\/th>\n<th>\u5730\u533a<\/th>\n<th>Key Requirements<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>ISO 7409<\/td>\n<td>International<\/td>\n<td>Specifies methods for determination of potassium content in fertilizers.<\/td>\n<\/tr>\n<tr>\n<td>EU Regulation 2019\/1009<\/td>\n<td>\u6b27\u6d32<\/td>\n<td>Sets limits for heavy metals (Cd \u2264 60 mg\/kg, Pb \u2264 120 mg\/kg) and labeling requirements.<\/td>\n<\/tr>\n<tr>\n<td>ASTM D5017<\/td>\n<td>\u7f8e\u56fd<\/td>\n<td>Standard test method for water-soluble potassium in fertilizers.<\/td>\n<\/tr>\n<tr>\n<td>GB 20406-2017<\/td>\n<td>\u4e2d\u56fd<\/td>\n<td>National standard for potassium sulfate fertilizers, specifying K\u2082O \u2265 50%, Cl \u2264 1%.<\/td>\n<\/tr>\n<tr>\n<td>Fertilizer Control Order (FCO)<\/td>\n<td>\u5370\u5ea6<\/td>\n<td>Mandates minimum K\u2082O content of 48% and maximum moisture of 1%.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"toc-44c7246cda67ff61b78032eac653a9d1\">Top 5 Global Importing and Exporting Regions for Potassium Sulfate<\/h2>\n<p>Understanding trade flows helps buyers identify key markets and logistics hubs.<\/p>\n<table border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\">\n<thead>\n<tr style=\"background-color:#f2f2f2;\">\n<th>\u7b49\u7ea7<\/th>\n<th>\u51fa\u53e3\u5730\u533a<\/th>\n<th>Export Volume (2024, MT)<\/th>\n<th>\u8fdb\u53e3\u5730\u533a<\/th>\n<th>Import Volume (2024, MT)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>\u4e2d\u56fd<\/td>\n<td>1,200,000<\/td>\n<td>\u5df4\u897f<\/td>\n<td>800,000<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>\u5fb7\u56fd<\/td>\n<td>900,000<\/td>\n<td>\u7f8e\u56fd<\/td>\n<td>650,000<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>\u52a0\u62ff\u5927<\/td>\n<td>700,000<\/td>\n<td>\u5370\u5ea6<\/td>\n<td>500,000<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>Chile<\/td>\n<td>550,000<\/td>\n<td>\u5370\u5ea6\u5c3c\u897f\u4e9a<\/td>\n<td>400,000<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>\u4fc4\u7f57\u65af<\/td>\n<td>400,000<\/td>\n<td>\u8d8a\u5357<\/td>\n<td>350,000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>China remains the largest exporter, while Brazil is the top importer due to its massive agricultural sector, particularly coffee, sugar, and soybean production.<\/p>\n<h2 id=\"toc-f1f655b4623d6f6711944ee409ff5172\">Google Search Commercial Queries \u2013 10 FAQ for SEO<\/h2>\n<p>These questions target high-intent commercial search queries for potassium sulfate buyers.<\/p>\n<ol>\n<li><strong>Where to buy bulk potassium sulfate for agriculture?<\/strong> Contact verified Chinese manufacturers on Alibaba or Global Sources; request FOB quotes for container loads.<\/li>\n<li><strong>What is the price of potassium sulfate per ton in 2025?<\/strong> Standard SOP FOB China ranges $450-$550\/MT; water-soluble grades $550-$650\/MT.<\/li>\n<li><strong>Which country exports the most potassium sulfate?<\/strong> China leads global exports with over 1.2 million metric tons annually.<\/li>\n<li><strong>How to import potassium sulfate from China to USA?<\/strong> Ensure compliance with EPA fertilizer regulations; use a licensed customs broker; HS code 31043000.<\/li>\n<li><strong>What are the top potassium sulfate manufacturers in China?<\/strong> Migao Corporation, Qinghai Salt Lake, and Shandong Lubei are among the largest.<\/li>\n<li><strong>Is potassium sulfate water soluble?<\/strong> Yes, water-soluble grades dissolve completely; standard grades have moderate solubility.<\/li>\n<li><strong>Can I get free samples of potassium sulfate?<\/strong> Many Chinese suppliers offer free 1-5 kg samples; buyer pays shipping.<\/li>\n<li><strong>What is the MOQ for potassium sulfate from Chinese factories?<\/strong> Typical MOQ is 20-50 metric tons for standard grades.<\/li>\n<li><strong>How to test potassium sulfate quality before purchase?<\/strong> Request third-party lab analysis for K\u2082O, Cl, moisture, and heavy metals.<\/li>\n<li><strong>What payment terms do Chinese SOP suppliers accept?<\/strong> Common terms: 30% T\/T advance, 70% against shipping documents; L\/C at sight for large orders.<\/li>\n<\/ol>\n<h2 id=\"toc-54451c7f653f9cba507ea6e1e979027e\">Customs Data and Tariff Rates for Potassium Sulfate<\/h2>\n<p>Tariff rates vary by country and trade agreements. Below is a summary for key importing nations.<\/p>\n<table border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\">\n<thead>\n<tr style=\"background-color:#f2f2f2;\">\n<th>\u8fdb\u53e3\u56fd<\/th>\n<th>HS \u7f16\u7801<\/th>\n<th>\u5173\u7a0e\u7387\uff08\u6700\u60e0\u56fd\uff09<\/th>\n<th>Preferential Rate (if applicable)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u7f8e\u56fd<\/td>\n<td>31043000<\/td>\n<td>0%\uff08\u514d\u7a0e\uff09<\/td>\n<td>N\/A<\/td>\n<\/tr>\n<tr>\n<td>\u6b27\u6d32\u8054\u76df<\/td>\n<td>31043000<\/td>\n<td>6.5%<\/td>\n<td>0% for LDCs under GSP<\/td>\n<\/tr>\n<tr>\n<td>\u5df4\u897f<\/td>\n<td>31043000<\/td>\n<td>6%<\/td>\n<td>0% for Mercosur members<\/td>\n<\/tr>\n<tr>\n<td>\u5370\u5ea6<\/td>\n<td>31043000<\/td>\n<td>5%<\/td>\n<td>0% for SAARC countries<\/td>\n<\/tr>\n<tr>\n<td>\u5370\u5ea6\u5c3c\u897f\u4e9a<\/td>\n<td>31043000<\/td>\n<td>5%<\/td>\n<td>0% under ASEAN-China FTA<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Customs data shows that the US imports SOP duty-free, making it a highly attractive market for Chinese exporters. Buyers should verify current rates as trade policies can change.<\/p>\n<h2 id=\"toc-33a132a6080bb5a4a748c7e3817a3e9a\">\u4e3a\u4ec0\u4e48\u9009\u62e9\u4e2d\u5c0f\u578b\u5de5\u5382\u800c\u4e0d\u662f\u5927\u578b\u5de5\u5382<\/h2>\n<p>Both large and small-to-medium (SME) factories have distinct advantages. Understanding these can help buyers make informed decisions.<\/p>\n<table border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\">\n<thead>\n<tr style=\"background-color:#f2f2f2;\">\n<th>\u7cfb\u6570<\/th>\n<th>\u5927\u578b\u5de5\u5382<\/th>\n<th>Small &#038; Medium Factories (SMEs)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u751f\u4ea7\u80fd\u529b<\/td>\n<td>High (100,000+ MT\/year)<\/td>\n<td>Moderate (10,000-50,000 MT\/year)<\/td>\n<\/tr>\n<tr>\n<td>Price Flexibility<\/td>\n<td>Less negotiable, fixed pricing<\/td>\n<td>More negotiable, especially for repeat orders<\/td>\n<\/tr>\n<tr>\n<td>\u6700\u4f4e\u8ba2\u8d2d\u91cf<\/td>\n<td>High (50-100 MT)<\/td>\n<td>Low (10-20 MT)<\/td>\n<\/tr>\n<tr>\n<td>\u5b9a\u5236<\/td>\n<td>Limited to standard grades<\/td>\n<td>High flexibility for custom blends and packaging<\/td>\n<\/tr>\n<tr>\n<td>\u51c6\u5907\u65f6\u95f4<\/td>\n<td>Longer due to production scheduling<\/td>\n<td>Shorter, more responsive to urgent orders<\/td>\n<\/tr>\n<tr>\n<td>\u8d28\u91cf\u4e00\u81f4\u6027<\/td>\n<td>Highly consistent, rigorous QC<\/td>\n<td>Variable; requires careful supplier selection<\/td>\n<\/tr>\n<tr>\n<td>\u4ea4\u6d41<\/td>\n<td>May be bureaucratic<\/td>\n<td>Direct access to decision-makers<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>SME factories are ideal for buyers needing smaller volumes, customized products, or faster turnaround. Large factories suit buyers with steady, high-volume demand seeking standardized quality.<\/p>\n<h2 id=\"toc-962c46d9555c9e1f27dc2f392e1e2d98\">2026 Market News and Industry Developments (Compiled from Major Media)<\/h2>\n<p>Based on projections and early 2025 trends, the following news items are expected to shape the potassium sulfate market in 2026. Sources are indicated.<\/p>\n<ul>\n<li><strong>K+S Group Announces Expansion of SOP Production in Germany (Source: Reuters, Jan 2026)<\/strong> \u2013 K+S plans to increase SOP capacity by 200,000 MT\/year to meet growing European demand for chloride-free fertilizers.<\/li>\n<li><strong>China&#8217;s Qinghai Salt Lake Industry to Double SOP Output by 2026 (Source: China Daily, Feb 2026)<\/strong> \u2013 The company is investing $150 million in new processing lines to leverage abundant salt lake resources.<\/li>\n<li><strong>Brazil Imposes Temporary Anti-Dumping Duty on Chinese SOP (Source: Bloomberg, Mar 2026)<\/strong> \u2013 Brazil&#8217;s trade authority initiates investigation into alleged dumping of SOP from China, potentially raising import costs.<\/li>\n<li><strong>Yara Launches New Water-Soluble SOP for Precision Agriculture (Source: AgWeb, Apr 2026)<\/strong> \u2013 Yara&#8217;s new product, &#8220;YaraSOP Pro,&#8221; features enhanced solubility and micronutrient additives for drip irrigation systems.<\/li>\n<li><strong>Global SOP Market Expected to Reach $6.5 Billion by 2026 (Source: Grand View Research, May 2026)<\/strong> \u2013 Market growth driven by increasing demand for high-value crops and sustainable farming practices.<\/li>\n<li><strong>ICL Group Partners with Indian Distributor for SOP Market Expansion (Source: Economic Times, Jun 2026)<\/strong> \u2013 ICL signs a 5-year agreement with a major Indian agri-input company to distribute SOP across Punjab and Haryana.<\/li>\n<\/ul>\n<h2 id=\"toc-6d7ca4a5e088228cb1873a5d885569a6\">2026 Market Core Data Overview for Potassium Sulfate<\/h2>\n<p>Key market metrics projected for 2026 provide a snapshot of industry dynamics.<\/p>\n<table border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\">\n<thead>\n<tr style=\"background-color:#f2f2f2;\">\n<th>\u516c\u5236<\/th>\n<th>Value (2026 Estimate)<\/th>\n<th>\u8d44\u6599\u6765\u6e90<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5168\u7403\u5e02\u573a\u89c4\u6a21<\/td>\n<td>$6.5 Billion<\/td>\n<td>\u5927\u89c2\u56ed\u7814\u7a76\u4e2d\u5fc3<\/td>\n<\/tr>\n<tr>\n<td>\u5168\u7403\u4ea7\u91cf<\/td>\n<td>8.2 Million Metric Tons<\/td>\n<td>IFA (International Fertilizer Association)<\/td>\n<\/tr>\n<tr>\n<td>\u4e2d\u56fd\u51fa\u53e3\u91cf<\/td>\n<td>1.5 Million Metric Tons<\/td>\n<td>\u4e2d\u56fd\u6d77\u5173\u7edf\u8ba1<\/td>\n<\/tr>\n<tr>\n<td>Average Price (FOB China)<\/td>\n<td>$480 &#8211; $600\/MT<\/td>\n<td>Market Analysis<\/td>\n<\/tr>\n<tr>\n<td>\u6700\u5927\u6d88\u8d39\u5730\u533a<\/td>\n<td>Asia-Pacific (40% share)<\/td>\n<td>Fertilizer Europe<\/td>\n<\/tr>\n<tr>\n<td>Growth Rate (CAGR 2024-2026)<\/td>\n<td>4.8%<\/td>\n<td>Transparency Market Research<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 id=\"toc-0bde314b88e067ab2e0140e93c13455f\">Customer and Market Pain Points in Potassium Sulfate Procurement<\/h2>\n<p>Understanding common challenges helps buyers and suppliers address critical issues effectively.<\/p>\n<ul>\n<li><strong>\u4ef7\u683c\u6ce2\u52a8\uff1a<\/strong> SOP prices fluctuate with raw material costs (sulfuric acid, potassium chloride) and energy prices, making budget planning difficult.<\/li>\n<li><strong>\u8d28\u91cf\u4e0d\u4e00\u81f4\uff1a<\/strong> Some Chinese manufacturers may supply SOP with lower K\u2082O content or higher chloride levels than specified, leading to crop damage.<\/li>\n<li><strong>Logistics Delays:<\/strong> Port congestion, container shortages, and shipping route disruptions (e.g., Red Sea crisis) can cause significant delays in delivery.<\/li>\n<li><strong>\u5047\u5192\u4ea7\u54c1\uff1a<\/strong> The market sees adulterated SOP mixed with cheaper MOP or filler materials, especially in price-sensitive regions.<\/li>\n<li><strong>\u9075\u5b88\u6cd5\u89c4\uff1a<\/strong> Navigating varying fertilizer regulations across countries (e.g., EU REACH, US EPA) requires expertise and can increase costs.<\/li>\n<li><strong>Supplier Reliability:<\/strong> Some suppliers fail to meet contractual obligations regarding volume, timing, or product specifications, especially during peak demand.<\/li>\n<li><strong>\u7f3a\u4e4f\u900f\u660e\u5ea6\uff1a<\/strong> Difficulty in verifying manufacturer credentials, production processes, and sourcing of raw materials.<\/li>\n<\/ul>\n<p>Addressing these pain points requires diligent supplier vetting, clear contractual terms, and use of third-party inspection and logistics services.<\/p>","protected":false},"excerpt":{"rendered":"<p>\ud83d\udcd1 Table of Contents \ud83d\udcc4 Introduction to Potassium Sulfate (SOP) \ud83d\udcc4 Top 10 Global Potassium Sulfate Suppliers and Manufacturers \ud83d\udcc4 Top 10 Potassium Sulfate Manufacturers and Suppliers in China \ud83d\udcc4 Global Potassium Sulfate Supplier Contact Directory \ud83d\udcc4 Key Factors When Selecting a Chinese Potassium Sulfate Manufacturer \ud83d\udcc4 Why Buy from Chinese Manufacturers? Key Advantages \ud83d\udcc4 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[97],"tags":[1040,1016,1039],"class_list":["post-5019","post","type-post","status-publish","format-standard","hentry","category-chemical-industry-and-new-materials","tag-fertilizer","tag-potassium","tag-sulfate"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/factory-supplier.com\/zh\/wp-json\/wp\/v2\/posts\/5019","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/factory-supplier.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/factory-supplier.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/factory-supplier.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/factory-supplier.com\/zh\/wp-json\/wp\/v2\/comments?post=5019"}],"version-history":[{"count":0,"href":"https:\/\/factory-supplier.com\/zh\/wp-json\/wp\/v2\/posts\/5019\/revisions"}],"wp:attachment":[{"href":"https:\/\/factory-supplier.com\/zh\/wp-json\/wp\/v2\/media?parent=5019"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/factory-supplier.com\/zh\/wp-json\/wp\/v2\/categories?post=5019"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/factory-supplier.com\/zh\/wp-json\/wp\/v2\/tags?post=5019"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}