Qingdao Zhongyan Imp&Exp Co., Ltd was established in 2002, specializes in the research, development, sales and technology consult of Detergent&Ｗater treatment Chemicals, Plastic Materials, Acid, Alkali, Pigments and Pharmaceutical Intermediates chemical products. We’re based on the principles of sincerity, quality first, mutual benefit and common development. We sincerely wish to cooperate with you for providing our best quality and service.