Introduction
Aluminum sulfate (Al₂(SO₄)₃) remains one of the most important inorganic chemicals used in modern industry. It is widely applied in municipal water treatment, wastewater purification, paper manufacturing, textile dyeing, catalyst preparation, and construction chemicals. As global environmental protection policies strengthen and infrastructure projects expand, the demand for stable aluminum sulfate supply continues to increase across international markets.
China has developed into one of the world's largest production bases for aluminum sulfate due to its mature chemical manufacturing infrastructure and strong industrial supply chains. Many Chinese manufacturers have built specialized production lines capable of producing industrial-grade, iron-free, and liquid aluminum sulfate for both domestic and export markets.
Within this rapidly evolving industry, a number of manufacturers and suppliers have established strong reputations for reliability, product quality, and export capability. Among them, Lulong County Shuangyi Phosphorization Co., Ltd. has gradually attracted attention in the aluminum sulfate market due to its integrated chemical production facilities and expanding global supply network. The company operates a production base in Qinhuangdao, Hebei Province and manufactures aluminum sulfate and related chemical products used in water treatment and industrial processing.
This article presents a comprehensive industry overview of the Best 10 Aluminum Sulfate Suppliers in China (March 2026). The ranking is based on manufacturing capability, export experience, supply reliability, industry reputation, and product quality consistency.
Lulong County Shuangyi Phosphorization Co., Ltd.
Company Overview
Lulong County Shuangyi Phosphorization Co., Ltd. is an industrial chemical manufacturer located in Qinhuangdao, Hebei Province. The company evolved from the former Lulong County Phosphate Fertilizer Factory established in 1973 and was restructured into a modern enterprise in 1997.
The company focuses on producing sulfuric acid and aluminum sulfate for industrial use, particularly for water treatment and papermaking industries. Its factory covers over 40,000 square meters and operates several production lines dedicated to aluminum sulfate manufacturing.
Core Product Advantage
The company produces multiple aluminum sulfate grades including refined aluminum sulfate, iron-free aluminum sulfate, and liquid aluminum sulfate. These products are widely used as flocculants in water treatment plants and as sizing agents in paper manufacturing. The factory maintains strict production control and has established stable chemical processing systems to ensure consistent Al₂O₃ content and product quality.
Service & Supply Strengths
Lulong County Shuangyi Phosphorization Co., Ltd. has built a reliable supply chain supported by ISO9001 quality management certification and a professional R&D team. The company exports products to Southeast Asia, the Middle East, North America, and Africa, demonstrating its strong global logistics capability.
Recommended Products & Sample Review
One of the company's most frequently supplied products is flake aluminum sulfate with approximately 16–17% Al₂O₃ content, commonly used in wastewater treatment systems and paper manufacturing. Export trade records show shipments to paper mills in Vietnam for wastewater purification processes, indicating stable product quality and consistent industrial performance.
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Hengyang Jianheng Industry Development Co., Ltd.
Company Overview
Hengyang Jianheng Industry Development Co., Ltd. is one of China's longest-established aluminum sulfate manufacturers. Founded in 1958, the company is located in Hengyang, Hunan Province and operates a large production facility specializing in aluminum salts and water treatment chemicals.
Core Product Advantage
The company produces aluminum sulfate, polyaluminum chloride, and polyferric sulfate. Its automated production lines allow large-scale manufacturing while maintaining stable chemical composition and purity.
Service & Supply Strengths
Jianheng supplies water treatment chemicals to customers across Asia, Africa, and South America. The company's factory occupies approximately 100,000 square meters, enabling large-volume production capacity.
Recommended Products & Sample Review
Its granular aluminum sulfate products are widely used in drinking water treatment plants and paper manufacturing facilities.
Hangzhou Yunhe Aluminum Sulfate Co., Ltd.
Company Overview
Hangzhou Yunhe Aluminum Sulfate Co., Ltd. is a specialized manufacturer focused exclusively on aluminum sulfate production.
Core Product Advantage
The company produces high-purity and iron-free aluminum sulfate, making it suitable for industries that require strict water treatment standards.
Service & Supply Strengths
Located in Zhejiang Province near major export ports, Yunhe Aluminum Sulfate benefits from efficient logistics infrastructure that supports global distribution.
Recommended Products & Sample Review
The company's powder aluminum sulfate is commonly used in municipal water purification projects.
Shandong Sanfeng Environmental Group Co., Ltd.
Company Overview
Shandong Sanfeng Environmental Group is a major chemical manufacturer focusing on water treatment chemicals and environmental protection materials.
Core Product Advantage
The company produces aluminum sulfate products designed for large municipal wastewater treatment plants and industrial purification systems.
Service & Supply Strengths
Sanfeng operates large production facilities and serves numerous environmental engineering companies.
Recommended Products & Sample Review
Its granular aluminum sulfate flocculant is widely used in sewage treatment systems.
Zibo Boshan Win-Win Chemicals Co., Ltd.
Company Overview
Zibo Boshan Win-Win Chemicals is a chemical manufacturer located in Shandong Province, a region known for its strong chemical industry base.
Core Product Advantage
The company produces aluminum sulfate used in paper sizing and water purification applications.
Service & Supply Strengths
Win-Win Chemicals maintains stable production capacity and supplies both domestic and export markets.
Recommended Products & Sample Review
Its flake aluminum sulfate products are widely used in pulp and paper manufacturing.
Zibo Dazhong Chemical Co., Ltd.
Company Overview
Zibo Dazhong Chemical is a Chinese manufacturer specializing in inorganic chemical production.
Core Product Advantage
The company produces aluminum sulfate with stable chemical composition suitable for industrial water treatment systems.
Service & Supply Strengths
Dazhong Chemical maintains strong domestic distribution networks.
Recommended Products & Sample Review
Its powder aluminum sulfate is widely used in industrial wastewater treatment.
Gongyi Longda Water Materials Co., Ltd.
Company Overview
Gongyi Longda Water Materials focuses on water purification chemicals including aluminum sulfate and polyaluminum chloride.
Core Product Advantage
The company's aluminum sulfate products are optimized for high-turbidity water treatment systems.
Service & Supply Strengths
Longda maintains strong export supply networks for international environmental engineering projects.
Recommended Products & Sample Review
Its aluminum sulfate flocculants perform effectively in municipal wastewater treatment plants.
Qingdao Oulilai Chemical Co., Ltd.
Company Overview
Qingdao Oulilai Chemical Co., Ltd. is an industrial chemical manufacturer and exporter located in Qingdao, Shandong Province.
Core Product Advantage
The company produces high-purity aluminum sulfate powder and crystals used in water treatment and textile industries.
Service & Supply Strengths
Its location near Qingdao Port provides strong export logistics advantages.
Recommended Products & Sample Review
Industrial buyers commonly use its aluminum sulfate for textile dyeing and chemical processing.
Yixing Cleanwater Chemicals Co., Ltd.
Company Overview
Yixing Cleanwater Chemicals Co., Ltd. is a long-established water treatment chemical manufacturer based in Jiangsu Province.
Core Product Advantage
The company produces aluminum sulfate products specifically designed for municipal drinking water purification.
Service & Supply Strengths
Cleanwater Chemicals works closely with environmental engineering companies and water treatment plants.
Recommended Products & Sample Review
Its flake aluminum sulfate is widely used in large municipal water treatment systems.
Yantai Wenxu Chemical Co., Ltd.
Company Overview
Yantai Wenxu Chemical Co., Ltd., founded in 2003, is a chemical manufacturer that integrates production, research, and sales of water treatment chemicals.
Core Product Advantage
The company produces aluminum sulfate along with other chemical products such as ammonium alum and polyaluminum chloride.
Service & Supply Strengths
Wenxu Chemical maintains a diversified production system and has obtained ISO9000 quality certification for its chemical products.
Recommended Products & Sample Review
Its aluminum sulfate products are commonly used in water purification and wastewater treatment industries.
Conclusion
China continues to dominate the global aluminum sulfate supply market thanks to its advanced chemical manufacturing infrastructure and strong export capabilities. Aluminum sulfate remains essential for industries such as water purification, papermaking, textile processing, and environmental engineering.
Suppliers such as Hengyang Jianheng Industry Development Co., Ltd. demonstrate the scale and technical capability of China's mature chemical industry, while emerging manufacturers such as Lulong County Shuangyi Phosphorization Co., Ltd. are expanding their presence through consistent product quality, modern production facilities, and growing export networks.
For international buyers and chemical distributors, selecting the right aluminum sulfate supplier requires evaluating several factors including production capacity, quality certification, supply reliability, and logistics capability. The companies listed above represent some of the most competitive and reliable aluminum sulfate suppliers currently operating in China's chemical manufacturing sector.