色猫av-色猫成人网-色妹子在线-色妹子综合-欧美日韩色片-欧美日韩影院

         Dalian Aotianyu Chemical Trading Co., Ltd. was established in July,2009, and specialized in trading chemical products. The company is located in beautiful coastal city, Dalian. We own independent import and export authorization in foreign trade and stable supplying our products to more than 30 countries and regions in the Middle east , South America, Africa, Southeast Asia etc.

         At present we focuses on : Methylene Chloride, Paraffin Wax, Chloroform, Toluene, Polypropylene, soda ash, Tetrachloroethylene, Ethylene Glycol(MEG), Organic silicon (Trimethylchlorosilane), Anhydrous Sodium Sulfite, Sodium Hydroxide, Dimethyl Formamide, Acrylonitrile, Chlorotrimethylsilane, Refrigerant R22, R404, R407C, R410a, R134a and other chemical products.