Hebei Shengxue Dacheng Pharmaceutical Co., Ltd. Founded in 1997 and headquartered in Shijiazhuang, Hebei Province, China, the company has two wholly-owned subsidiaries and four production bases. It mainly produces Nisin, e-Polylysine hydrochloride,Colistin sulfate soluble powder,Carbasalate calcium soluble powder,Oxytetracycline hydrochloride soluble,Vitamin C soluble powder and other main products.