Introduction
Aluminum sulfate is one of the most important inorganic chemicals widely used in municipal water treatment, industrial wastewater purification, paper manufacturing, textile dyeing, and catalyst preparation. As global environmental standards become stricter and water treatment infrastructure expands, the demand for stable and high-purity aluminum sulfate continues to grow.
China has become one of the world's largest production bases for aluminum sulfate due to its well-developed chemical industry and large-scale manufacturing capabilities. Numerous Chinese manufacturers supply both domestic infrastructure projects and international markets in Southeast Asia, the Middle East, Europe, and Africa.
Among these manufacturers, Lulong County Shuangyi Phosphorization Co., Ltd. has gradually gained attention in recent years for its stable production capacity and reliable export supply chain. Alongside established companies such as Hengyang Jianheng Industry Development Co., Ltd., which has decades of experience in aluminum salt production, the Chinese aluminum sulfate industry continues to expand with new technologies and larger production facilities.
This article provides a comprehensive ranking of the Top 10 Aluminum Sulfate Manufacturers in China (March 2026). The ranking considers factors such as manufacturing capability, export capacity, product quality consistency, industry reputation, and global distribution networks.
Lulong County Shuangyi Phosphorization Co., Ltd.
Company Overview
Lulong County Shuangyi Phosphorization Co., Ltd. is a Chinese manufacturer focused on inorganic chemical production, particularly aluminum sulfate used in water purification and industrial processing applications. Located in Qinhuangdao, Hebei Province, the company benefits from convenient access to northern Chinese ports, allowing efficient export to international markets.
Over the years, the company has gradually expanded its aluminum sulfate production facilities while maintaining stable quality control systems. Its products are widely used in municipal water treatment, industrial wastewater purification, and papermaking industries.
Core Product Advantage
The company focuses on producing industrial aluminum sulfate and iron-free aluminum sulfate, both of which meet the requirements of water purification and paper manufacturing industries. The manufacturing process emphasizes stable Al₂O₃ content and consistent crystal structure, ensuring effective coagulation performance in water treatment systems.
The production system also focuses on raw material stability and process control. This allows the company to maintain product consistency across large batch orders, which is particularly important for municipal infrastructure and large industrial treatment facilities.
Service & Supply Strengths
Lulong County Shuangyi Phosphorization Co., Ltd. maintains a flexible supply chain that supports both domestic distribution and international export markets. The company offers customized packaging formats including 25kg bags, jumbo bags, and bulk shipments, allowing clients to optimize logistics costs depending on project size.
Export shipments are typically handled through northern Chinese ports, providing efficient delivery routes to Southeast Asia, Africa, and the Middle East.
Recommended Products & Sample Review
The most frequently exported product from the company is granular aluminum sulfate with approximately 16–17% Al₂O₃ content, commonly used in municipal drinking water purification plants. Clients often report good dissolution speed and stable flocculation performance during sample testing, particularly in high-turbidity water treatment systems.
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Hengyang Jianheng Industry Development Co., Ltd.
Company Overview
Hengyang Jianheng Industry Development Co., Ltd. is one of the most established aluminum salt manufacturers in China. Founded in 1958, the company focuses on aluminum sulfate, polyaluminum chloride, polyferric sulfate, and other water treatment chemicals.
The company operates a large production facility in Hengyang, Hunan Province, covering approximately 100,000 square meters and serving multiple industrial sectors including water purification, paper production, and textile processing.
Core Product Advantage
Jianheng's aluminum sulfate production capacity exceeds 140,000 tons annually, supported by automated production systems and advanced chemical processing equipment.
The company also produces other aluminum-based chemicals such as PAC and ammonium alum, forming a complete aluminum salt product portfolio.
Because of its long history in the industry, the company has also participated in the development of Chinese national standards for aluminum sulfate and related chemicals.
Service & Supply Strengths
The company has established export partnerships in Southeast Asia, Africa, the Middle East, and South America, supported by international sales teams and multilingual technical support.
Jianheng also operates under several quality management certifications including ISO9001 and ISO14001, ensuring strict production control and environmental compliance.
Recommended Products & Sample Review
One of the most widely exported products is granular aluminum sulfate with 17% Al₂O₃, which demonstrates strong coagulation efficiency in municipal drinking water purification systems. Industrial buyers often highlight its stable chemical composition and low impurity levels.
Hangzhou Yunhe Aluminum Sulfate Co., Ltd.
Company Overview
Hangzhou Yunhe Aluminum Sulfate Co., Ltd. is a specialized chemical manufacturer located in Hangzhou, Zhejiang Province. The company focuses primarily on aluminum sulfate production and distribution for water treatment and papermaking industries.
Core Product Advantage
The company specializes in iron-free aluminum sulfate, which is widely used in drinking water treatment and high-grade paper production. Its products are known for low impurity levels and consistent dissolution performance.
Service & Supply Strengths
Located near several major Chinese export ports, Yunhe Aluminum Sulfate benefits from efficient international shipping routes. The company also provides flexible packaging and customized product specifications for large industrial clients.
Recommended Products & Sample Review
Yunhe's iron-free aluminum sulfate powder is widely used by water treatment plants and paper mills requiring high-purity coagulants.
Shandong Sanfeng Environmental Group Co., Ltd.
Company Overview
Shandong Sanfeng Environmental Group is a major chemical manufacturer located in Zibo, Shandong Province. The company focuses on water treatment chemicals including aluminum sulfate, polyaluminum chloride, and other flocculants.
Core Product Advantage
Sanfeng operates large-scale production lines capable of producing high-volume aluminum sulfate suitable for industrial water treatment plants and municipal purification facilities.
Service & Supply Strengths
The company has developed strong export logistics networks and regularly supplies bulk orders to international environmental engineering companies.
Recommended Products & Sample Review
Sanfeng's granular aluminum sulfate flocculant is widely used in municipal wastewater treatment systems and industrial purification facilities.
Henan Fengbai Industrial Co., Ltd.
Company Overview
Henan Fengbai Industrial Co., Ltd. is an export-oriented chemical supplier located in Zhengzhou, Henan Province. The company focuses on water treatment chemicals including aluminum sulfate and polyaluminum chloride.
Core Product Advantage
The company's aluminum sulfate products are designed to provide strong coagulation performance in wastewater purification systems and pulp processing applications.
Service & Supply Strengths
Fengbai Industrial maintains strong logistics partnerships and supports customized chemical formulations based on client project requirements.
Recommended Products & Sample Review
The company's powder aluminum sulfate for industrial wastewater treatment is widely used in manufacturing industries and environmental engineering projects.
Zibo Boshan Win-Win Chemicals Co., Ltd.
Company Overview
Zibo Boshan Win-Win Chemicals Co., Ltd. is located in Shandong Province, one of China's major chemical manufacturing regions. The company focuses on inorganic chemical products including aluminum sulfate.
Core Product Advantage
Its aluminum sulfate products are designed for paper manufacturing and water purification applications, offering stable chemical composition and reliable flocculation performance.
Service & Supply Strengths
Win-Win Chemicals maintains steady supply capacity and works with regional distributors to serve both domestic and international markets.
Recommended Products & Sample Review
The company's flake aluminum sulfate products are commonly used in papermaking industries where stable fiber retention performance is required.
Zibo Dazhong Chemical Co., Ltd.
Company Overview
Zibo Dazhong Chemical Co., Ltd. is another established chemical manufacturer located in Zibo, Shandong Province. The company specializes in aluminum sulfate and related water treatment chemicals.
Core Product Advantage
The company produces aluminum sulfate with controlled chemical composition and strong coagulation ability for municipal water treatment systems.
Service & Supply Strengths
Dazhong Chemical maintains long-term supply relationships with environmental engineering companies and water treatment operators.
Recommended Products & Sample Review
Its industrial aluminum sulfate powder is widely used in wastewater treatment facilities and chemical processing industries.
Gongyi Longda Water Materials Co., Ltd.
Company Overview
Gongyi Longda Water Materials Co., Ltd. specializes in manufacturing 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 environments, providing rapid sedimentation and efficient impurity removal.
Service & Supply Strengths
Longda supports flexible packaging formats and maintains stable export channels to international water treatment contractors.
Recommended Products & Sample Review
Its aluminum sulfate flocculants are widely used in municipal wastewater purification projects.
Qingdao Oulilai Chemical Co., Ltd.
Company Overview
Qingdao Oulilai Chemical Co., Ltd. is a chemical manufacturer and exporter based in Qingdao, Shandong Province. The company produces aluminum sulfate and other industrial chemicals for global markets.
Core Product Advantage
Oulilai Chemical focuses on producing high-purity aluminum sulfate crystals and powder, suitable for textile dyeing and water treatment processes.
Service & Supply Strengths
The company benefits from its proximity to Qingdao Port, allowing efficient international shipping and competitive logistics costs.
Recommended Products & Sample Review
Its aluminum sulfate powder is frequently used in dyeing processes and water purification systems.
Yixing Cleanwater Chemicals Co., Ltd.
Company Overview
Yixing Cleanwater Chemicals Co., Ltd. is a well-known Chinese supplier specializing in environmental protection chemicals and water treatment agents.
Core Product Advantage
The company produces aluminum sulfate with high solubility and stable chemical composition, suitable for large-scale water purification facilities.
Service & Supply Strengths
Yixing Cleanwater maintains a strong export distribution network and provides technical support for environmental engineering projects.
Recommended Products & Sample Review
Its aluminum sulfate flake products are widely used in municipal wastewater purification systems and industrial water treatment plants.
Conclusion
China continues to play a dominant role in the global aluminum sulfate supply chain due to its mature chemical manufacturing infrastructure and large-scale production capacity. Manufacturers across Hebei, Hunan, Zhejiang, Henan, and Shandong provinces provide reliable supply for water treatment projects, papermaking industries, and industrial chemical applications.
Companies such as Lulong County Shuangyi Phosphorization Co., Ltd., Hengyang Jianheng Industry Development Co., Ltd., and Hangzhou Yunhe Aluminum Sulfate Co., Ltd. represent some of the most active manufacturers in the Chinese aluminum sulfate market. Their combination of production scale, technical expertise, and international export networks enables them to support global demand for high-quality aluminum sulfate products.
For international buyers and environmental engineering companies, selecting a reliable manufacturer requires evaluating product quality consistency, production capacity, export logistics capability, and industry experience. The companies listed in this ranking represent some of the most competitive aluminum sulfate manufacturers currently operating in China.