We commits to providing top-grade chemicals for the treatment industry of drinkable water and sewage. At present, Dazhong is the biggest manufacturer in Asia for aluminium sulphate and alum products, and our aluminium sulphate series and alum series are widely used in the large-scale treatment organizations all over the world!

We have 13 years of production histories. We annually produce of all descriptions 100,000 tons of aluminium sulphate and 50,000 tons of alum. We have our own mines and sulfuric acid manufacturer. Our products are highly appraised by foreign customers for stable performance and high quality, and about 70% of products are sold to countries in the world.

We have got the certificates of ISO9001 Quality system and 14001 EMS 0 successfully.

We mainly focus on manufactury before. Now, in order to explore the international market, we set up International Business Department specialized in services international clients

Relying on experienced technicians, Dazhong is striving to promote the technical improvement of products and development of quality. We work hard to offer you top-grade products in the world.