Yiyuandahang Chem CO., LTD is a major reputable Chinese enterprise, which keeps an annual export value over US$20million. Its products including such numerous fields as Phosphate chemicals , Sulphate chemicals , Pigments/Dyestuff, Rubber chemicals , Acids, water treatment chemicals, etc. The yield of many products produced by our factory take the leading position in Chinese chemical industry, and lots of its products enjoy a good reputation both at home and abroad.