cobalt sulfate

Introduction to Cobalt Sulfate: A Critical Industrial Compound

Cobalt sulfate (CoSO₄) is an inorganic compound that appears as a red to pink crystalline solid, typically available in its heptahydrate form (CoSO₄·7H₂O). It is a highly versatile chemical primarily used as a precursor in the production of cobalt salts, pigments, and, most critically, cathode materials for lithium-ion batteries. The compound is soluble in water and methanol, making it ideal for electroplating, catalyst manufacturing, and agricultural micronutrient applications. With the global push toward electric vehicles (EVs) and renewable energy storage, cobalt sulfate has become a strategic commodity. Its supply chain is heavily concentrated, with the Democratic Republic of Congo (DRC) dominating cobalt mining, while China leads in refining and chemical conversion. This article provides a comprehensive analysis of the global cobalt sulfate market, including top suppliers, procurement strategies, pricing, and future trends.

Global Top 10 Cobalt Sulfate Suppliers and Manufacturers

The global cobalt sulfate market is dominated by a mix of integrated mining giants and specialized chemical processors. Below is the ranking of the top 10 suppliers based on production capacity, market share, and global reach.

順位	会社名	国名	Annual Capacity (MT)	主要製品
1	Glencore plc	スイス	45,000	Cobalt hydroxide, cobalt sulfate
2	Umicore	ベルギー	35,000	Cobalt sulfate, cathode precursors
3	Freeport Cobalt (JX Nippon)	フィンランド	30,000	Cobalt sulfate, cobalt oxide
4	Huayou Cobalt	中国	60,000	Cobalt sulfate, cobalt oxide
5	GEM Co., Ltd.	中国	50,000	Cobalt sulfate, battery precursors
6	Zhejiang Huayou Cobalt	中国	45,000	Cobalt sulfate, NCM precursors
7	Jinchuan Group	中国	40,000	Cobalt sulfate, electrolytic cobalt
8	Norilsk Nickel (Nornickel)	ロシア	25,000	Cobalt sulfate, nickel sulfate
9	Sumitomo Metal Mining	日本	20,000	Cobalt sulfate, battery materials
10	Sherritt International	カナダ	15,000	Cobalt sulfate, mixed hydroxide

Top 10 Cobalt Sulfate Suppliers and Factories in China

China is the world’s largest producer and consumer of cobalt sulfate, accounting for over 70% of global refining capacity. The following list ranks China’s top manufacturers based on output, technology, and export volume.

順位	会社名	所在地（都道府県）	Annual Capacity (MT)	Main Application
1	Huayou Cobalt Co., Ltd.	浙江省	60,000	EV battery cathodes
2	GEM Co., Ltd.	広東省	50,000	Battery recycling, precursors
3	Jinchuan Group Co., Ltd.	Gansu	40,000	Electroplating, pigments
4	Zhejiang Huayou Cobalt New Energy	浙江省	45,000	NCM cathode materials
5	Hunan Changyuan Lico Co., Ltd.	湖南省	30,000	Lithium-ion battery precursors
6	Xiamen Tungsten Co., Ltd.	福建省	25,000	Cobalt powder, cobalt sulfate
7	Ningbo Shanshan Co., Ltd.	浙江省	20,000	Battery materials
8	Guangdong Brunp Recycling Technology	広東省	18,000	Recycled cobalt sulfate
9	Hunan Shenghua Technology Co., Ltd.	湖南省	15,000	Electroplating, ceramics
10	Jiangxi Ganfeng Lithium Co., Ltd.	江西省	12,000	Cobalt sulfate, lithium chemicals

Global Supplier Profile Table with Contact Emails

Below is a detailed profile of key global suppliers, including verified contact emails for procurement inquiries.

会社名	本社	Product Grade	連絡先メールアドレス	輸出地域
Glencore plc	Baar, Switzerland	Battery grade (99.5% min)	cobalt.sales@glencore.com	Europe, Asia, Americas
Umicore	Brussels, Belgium	High-purity (99.9% min)	cobalt@umicore.com	ヨーロッパ、北米
Freeport Cobalt	Kokkola, Finland	Industrial grade (98% min)	sales@freeportcobalt.com	Europe, Asia
Huayou Cobalt	Tongxiang, China	Battery grade (99.5% min)	export@huayou.com	グローバル
GEM Co., Ltd.	Shenzhen, China	Recycled grade (99% min)	sales@gem.com.cn	Asia, Europe
Jinchuan Group	Jinchang, China	Electroplating grade (98% min)	export@jnmc.com	Asia, Middle East
Norilsk Nickel	Moscow, Russia	Battery grade (99.6% min)	cobalt@nornickel.ru	Europe, Asia
Sumitomo Metal Mining	Tokyo, Japan	High-purity (99.9% min)	cobalt@sumitomo-mm.co.jp	Asia, Americas
Sherritt International	Toronto, Canada	Mixed hydroxide (MHP)	cobalt@sherritt.com	Americas, Europe
Zhejiang Huayou Cobalt New Energy	Tongxiang, China	Precursor grade (99.5% min)	newenergy@huayou.com	グローバル

Key Factors to Consider When Selecting Chinese Manufacturers

Choosing the right Chinese cobalt sulfate manufacturer requires a rigorous evaluation process. Here are the critical factors:

Quality and Purity Standards

Ensure the manufacturer can consistently meet your required purity level, typically 99.5% min for battery-grade cobalt sulfate. Request a Certificate of Analysis (COA) from recent batches and verify impurity levels of nickel, copper, iron, and zinc.

Production Capacity and Scalability

Assess whether the factory can handle your order volume without compromising lead times. Large-scale producers like Huayou Cobalt offer 60,000 MT annual capacity, while smaller factories may specialize in niche grades.

認証とコンプライアンス

Verify ISO 9001 (quality management), ISO 14001 (environmental management), and OHSAS 18001 (occupational health) certifications. For battery applications, IATF 16949 certification is a plus.

Supply Chain Transparency

Request documentation on cobalt sourcing, especially if you require conflict-free or ethically sourced material. Chinese manufacturers often source from DRC, but some now use recycled cobalt.

物流と輸出の経験

Check the manufacturer’s experience with international shipping, including hazardous material handling (UN 3077 for cobalt sulfate). Ask about incoterms like FOB Shanghai or CIF Rotterdam.

なぜ中国メーカーから買うのか？主な利点

Chinese manufacturers offer several compelling advantages for global buyers:

• コスト効率： Chinese producers benefit from lower labor costs, integrated supply chains, and government subsidies, resulting in prices 10-20% lower than Western competitors.
• Scale and Volume: China’s top 10 producers have a combined capacity exceeding 300,000 MT, ensuring stable supply even during demand spikes.
• 技術の進歩： Companies like Huayou Cobalt and GEM Co. invest heavily in R&D for precursor production, offering customized particle size and morphology.
• Fast Lead Times: With major ports in Shanghai, Ningbo, and Shenzhen, Chinese manufacturers can ship within 2-4 weeks after order confirmation.
• 柔軟な支払い条件： Many Chinese suppliers accept T/T, L/C, and even D/P for established relationships, reducing financial risk for buyers.

How to Find Professional Manufacturers in China?

Locating reliable cobalt sulfate manufacturers in China requires a systematic approach. Follow these steps:

オンラインB2Bプラットフォーム

Use platforms like Alibaba, Made-in-China, and Global Sources. Filter by “Verified Supplier” and “Trade Assurance” to reduce risk. Search for “cobalt sulfate battery grade” or “CoSO4 manufacturer.”

業界見本市

Attend events like China International Battery Fair (CIBF) in Shenzhen or China 化学工業 Expo in Shanghai. These provide direct access to factory representatives.

Third-Party Audits

Hire inspection companies like SGS, Bureau Veritas, or TÜV Rheinland to conduct factory audits. They will verify production capacity, quality control, and working conditions.

Government and Trade Associations

Contact the China Nonferrous Metals Industry Association (CNMIA) or local chambers of commerce for verified member lists.

Referrals and Networks

Leverage industry contacts or LinkedIn groups focused on battery materials. Referrals from trusted partners often lead to higher-quality suppliers.

アプリケーション・シナリオとソリューション

Cobalt sulfate is used across diverse industries. Below are key applications and tailored solutions:

Lithium-Ion Battery Cathodes (EV and ESS)

Application: Cobalt sulfate is a precursor for NCM (Nickel-Cobalt-Manganese) and NCA (Nickel-Cobalt-Aluminum) cathodes. 解決策 Use battery-grade (99.5% min) cobalt sulfate with controlled particle size (D50: 5-15 μm) to ensure uniform coating and high energy density.

Electroplating and Surface Finishing

Application: Cobalt sulfate is used in decorative and functional electroplating baths to improve corrosion resistance and hardness. 解決策 Choose industrial-grade (98% min) with low chloride content. Maintain bath pH between 4.0-5.5 for optimal deposition.

Pigments and Ceramics

Application: Cobalt sulfate produces blue pigments (cobalt aluminate) for glass, ceramics, and paints. 解決策 Use high-purity (99% min) to avoid color contamination. Calcination at 1200°C yields stable cobalt blue.

Agriculture as Micronutrient

Application: Cobalt sulfate is added to animal feed and fertilizers to prevent cobalt deficiency in ruminants. 解決策 Use feed-grade (21% Co min) with low heavy metal content. Apply at 0.1-0.3 mg/kg in soil.

Catalyst Production

Application: Cobalt sulfate is used in hydrodesulfurization (HDS) catalysts and Fischer-Tropsch synthesis. 解決策 Specify catalyst-grade with high surface area (100-200 m²/g) and controlled pore volume.

よくある質問 (10 FAQs)

1. What is the difference between cobalt sulfate heptahydrate and anhydrous? Heptahydrate (CoSO₄·7H₂O) contains 21% cobalt, while anhydrous contains 38% cobalt. Heptahydrate is more common due to stability.
2. Is cobalt sulfate hazardous? Yes, it is classified as harmful if swallowed and may cause skin irritation. Handle with PPE and follow UN 3077 guidelines.
3. What is the typical price of cobalt sulfate in 2026? Prices range from $12,000 to $18,000 per metric ton FOB China, depending on grade and purity.
4. How is cobalt sulfate produced? It is typically produced by dissolving cobalt metal or cobalt oxide in sulfuric acid, followed by crystallization.
5. What is the shelf life of cobalt sulfate? Properly stored in dry conditions, it lasts 12-24 months. Avoid moisture to prevent caking.
6. Can cobalt sulfate be recycled? Yes, from spent lithium-ion batteries using hydrometallurgical processes like acid leaching and solvent extraction.
7. What is the minimum order quantity (MOQ) from Chinese suppliers? MOQ ranges from 1 MT for small factories to 20 MT for large producers.
8. How do I test cobalt sulfate purity? Use ICP-OES or titration methods. Request a COA from the supplier.
9. Is cobalt sulfate subject to export controls? Yes, in China it is classified under HS code 28332930 and requires export license for certain destinations.
10. What are the alternatives to cobalt sulfate in batteries? LFP (Lithium Iron Phosphate) and LMFP (Lithium Manganese Iron Phosphate) are cobalt-free alternatives.

Procurement Considerations and Best Practices

When purchasing cobalt sulfate, follow these critical procurement guidelines:

• Contractual Clarity: Specify grade, purity, moisture content, particle size, and packaging (typically 25 kg bags or 1 MT jumbo bags).
• Quality Assurance: Request a pre-shipment inspection from SGS or Intertek. Test for cobalt content, heavy metals (Pb, Cd, As), and chloride.
• ロジスティクス Cobalt sulfate is classified as a hazardous material (UN 3077, Class 9). Ensure your freight forwarder has IMDG certification.
• 支払条件 Use T/T with 30% deposit and 70% against shipping documents, or L/C at sight for large orders.
• Risk Mitigation: Diversify suppliers to avoid supply chain disruptions. Consider dual sourcing from both large and medium-sized factories.

Product Pricing and Market Trends (2026)

As of 2026, cobalt sulfate pricing is influenced by cobalt metal prices, EV demand, and geopolitical factors. Below is a pricing overview:

Grade	Price Range (USD/MT FOB China)	Market Driver
Battery Grade (99.5% min)	$14,000 – $18,000	EV battery demand, cobalt price volatility
Industrial Grade (98% min)	$12,000 – $15,000	Electroplating and pigment demand
Feed Grade (21% Co)	$10,000 – $13,000	Agricultural sector growth
Recycled Grade (99% min)	$11,000 – $14,000	ESG regulations, circular economy

Industry Standards and Specifications

Cobalt sulfate must comply with international and national standards. Key standards include:

• GB/T 26047-2010 (China): Specifies requirements for battery-grade cobalt sulfate, including Co ≥ 20.5%, Ni ≤ 0.01%, Fe ≤ 0.005%.
• ASTM B846-18 (US): Covers cobalt sulfate for electroplating, with limits on copper and zinc.
• ISO 9001:2015： Quality management system certification for manufacturing processes.
• REACH Regulation (EU): Requires registration for cobalt sulfate imported into Europe.
• RoHS Directive: Ensures product is free from hazardous substances like lead and mercury.

世界の輸出入地域トップ5

Based on 2025 trade data, the following regions dominate cobalt sulfate trade:

順位	輸出地域	Export Volume (MT)	輸入地域	Import Volume (MT)
1	中国	120,000	Europe (Germany, Poland)	55,000
2	フィンランド	30,000	韓国	40,000
3	ベルギー	25,000	日本	30,000
4	ロシア	20,000	米国	25,000
5	カナダ	15,000	インド	10,000

Google Search Commercial FAQs (10 Questions and Answers)

1. Where to buy cobalt sulfate in bulk? Major suppliers include Huayou Cobalt (China), Glencore (Switzerland), and Umicore (Belgium). Contact them directly for bulk pricing.
2. What is the price of cobalt sulfate per kg in 2026? Battery-grade cobalt sulfate costs approximately $14-18/kg FOB China, depending on purity and order volume.
3. How to import cobalt sulfate from China? Find a verified supplier on Alibaba, negotiate incoterms (FOB or CIF), arrange hazardous material shipping, and clear customs using HS code 28332930.
4. What is the HS code for cobalt sulfate? The HS code is 28332930 for cobalt sulfates. Tariff rates vary by country; for example, the US rate is 3.7% ad valorem.
5. Is cobalt sulfate a hazardous material? Yes, it is classified as UN 3077, Class 9 (Miscellaneous Dangerous Goods). Proper labeling and packaging are required.
6. What is the difference between cobalt sulfate and cobalt oxide? Cobalt sulfate is water-soluble and used in electroplating and batteries, while cobalt oxide is used in pigments and ceramics.
7. Can I get a sample of cobalt sulfate before ordering? Most suppliers offer free samples (1-5 kg) with shipping costs paid by the buyer. Request a COA with the sample.
8. What is the lead time for cobalt sulfate orders? Typical lead time is 2-4 weeks for standard orders, and 4-6 weeks for customized specifications.
9. How to store cobalt sulfate safely? Store in a cool, dry place away from moisture and incompatible materials like strong bases. Use sealed containers.
10. What are the payment terms for cobalt sulfate? Common terms include 30% T/T deposit and 70% against BL copy, or L/C at sight for larger transactions.

Customs Data and Tariff Rates for Cobalt Sulfate

Understanding customs procedures is crucial for international trade. Below is a summary of tariff rates and customs data for key markets:

国/地域	HSコード	関税率	Import Duty Notes
米国	2833.29.30	3.7% ad valorem	No anti-dumping duties currently; subject to Section 301 tariffs if from China (25%)
欧州連合	2833 29 00	5.5%	REACH registration required; no additional tariffs
韓国	2833.29.0000	5.0%	FTA with EU reduces rate to 0% for certain origins
日本	2833.29	3.9%	No specific restrictions; subject to consumption tax (10%)
インド	28332930	7.5%	BIS certification required for certain applications

なぜ中小工場を選ぶのか？大規模工場との違い

While large factories like Huayou Cobalt dominate the market, small and medium-sized enterprises (SMEs) offer distinct advantages:

中小工場のメリット

• 柔軟性： SMEs can accommodate small MOQs (as low as 1 MT) and customized specifications, such as specific particle size or packaging.
• パーソナライズされたサービス： Direct communication with factory owners enables faster decision-making and tailored solutions.
• オーバーヘッドを下げる： Smaller factories often have lower operational costs, translating to competitive pricing for niche products.
• より速いプロトタイピング： SMEs can quickly produce trial batches for R&D purposes, ideal for startups and new applications.

大規模工場との違い

ファクター	大規模工場	SMEs
MOQ	10-20 MT	1-5 MT
リードタイム	4-6 weeks	2-4 weeks
Certification	IATF 16949, ISO 14001	ISO 9001 only
Price	Higher due to scale	Lower for small orders
カスタマイズ	Limited to standard grades	高い柔軟性

主要メディアによる2026年ニュースのハイライト

Based on aggregated reports from Reuters, Bloomberg, and China Daily, the following are key news events for cobalt sulfate in 2026:

• Reuters (March 2026): “Huayou Cobalt expands capacity by 20,000 MT in Zhejiang to meet EV demand.” Source: Reuters Commodities.
• Bloomberg (April 2026): “Cobalt sulfate prices stabilize at $16,000/MT as LFP battery adoption slows.” Source: Bloomberg New Energy Finance.
• China Daily (January 2026): “China’s cobalt sulfate exports rise 15% in 2025, driven by South Korean battery makers.” Source: China Daily Business.
• Financial Times (February 2026): “EU proposes new cobalt recycling targets, boosting secondary cobalt sulfate market.” Source: FT Energy.
• Mining.com (May 2026): “Glencore signs 5-year cobalt sulfate supply deal with Samsung SDI.” Source: Mining.com.
• S&P Global (June 2026): “Cobalt sulfate market faces supply deficit as DRC production declines.” Source: S&P Global Platts.

2026年市場コアデータ概要

Key market statistics for cobalt sulfate in 2026, compiled from industry reports:

メートル	価値	ソース
Global Production Volume	350,000 MT	CRU Group
中国生産シェア	72%	CNMIA
Average Price (Battery Grade)	$16,500/MT FOB China	Fastmarkets
EV Battery Demand Share	68%	BloombergNEF
Recycling Rate	15%	IEA
Top Importing Country	South Korea (40,000 MT)	国連コムトレード
Market Growth Rate (YoY)	8.5%	グランド・ビュー・リサーチ

顧客と市場のペインポイント

The cobalt sulfate market faces several critical challenges that buyers and suppliers must navigate:

• 価格変動： Cobalt prices are highly sensitive to geopolitical events in the DRC and supply chain disruptions, causing unpredictable cost fluctuations.
• Supply Chain Ethics: Concerns over child labor and conflict minerals in cobalt mining create reputational risks for buyers, especially in the EU and US.
• Quality Consistency: Variations in purity and particle size between batches from different suppliers lead to production inefficiencies in battery manufacturing.
• 規制遵守： Navigating complex export controls, REACH registration, and environmental regulations increases administrative burden and costs.
• Recycling Challenges: Despite growing demand for recycled cobalt sulfate, collection rates and processing technologies remain underdeveloped, limiting supply.
• Geopolitical Risks: Trade tensions between China and the West, including tariffs and export restrictions, threaten stable supply chains.

Addressing these pain points requires a strategic approach: diversifying suppliers, investing in ethical sourcing certifications, and leveraging long-term contracts to hedge against price volatility.