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! Covering an area of 300, 000sqm, we now have over 500 employees and nine departments, including office, No.1 sales dept., No.2 sales dept., International Business Dept., Supply department, technology department, QC Dept., Production Dept. and Finance Department. Aluminium sulphate series: we annually produce 160, 000 tons of common aluminium sulphate, 30, 000 tons of Iron-free high pure aluminium sulphate, 100, 000 tons of liquid aluminium sulphate. Alum series: we yearly produce 30, 000 tons of trschermigite and 10, 000 tons of kalioalunite. We sold more than CNY 100 million of products in 2010. 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.