Zibo Dazhong Edible Chemical Co., Ltd. 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 had a powerful technological department housing 20 experienced technicians, who have been working in the research, development and production of silicates for years; 3 of them are the drafters of Aluminium sulphate standards of China. We got the certificates of ISO9001 Quality system and 14001 EMS in 2010 successfully. 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. 
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 become the supplier of these companies, and strategic partner of large papermaking enterprises and water treatment enterprises. Dazhong provides customers with the quickest, best and complete service for customers in all the places of world. We are not only a manufacturer of leading products, but also an owner of international brands! 
Sticking to such idea of "be prepared for danger in times of safety, forging ahead with determination", Dazhong strives to provide customers all around the world with quality products and excellent service!