Our company was founded in 1996 and is located in Shijiazhuang, Hebei Province. Our subsidiary enterprises are Shijiazhuang Dongcheng Chemical Co., Ltd. and Jinzhou Donghui Chemical Co., Ltd. Our enterprise has built a professional R&D laboratory and production workshops cooperating with Tianjin University and so on. We are a comprehensive enterprise which integrates R&D, production and sale. We mainly deal in dyes, pigments and pharmaceutical intermediates as well as customized chemicals, ...