Qingdao Oster Import and Export Co., LTD is a professional manufacturer of chemical products and raw materials. We are one of the standard enterprises which was located in Qingdao. It is one of the reputational production bases in the north of China with the most advanced producing and testing equipments. Our main products includes the basic inorganic and organic chemicals,dyestuffs and so on,which are widely used in paint &coating industrial,rubber industrial,water-treatment industrial,.....