Qingdao Chinaoil Co., Ltd is one of the key members Petro-China Ltd. which an extra large enterprise in China, and also a subsidiary China National United Oil In international market, ltd has strong managing advantages chemicals. This company competitive toys & decorations, construction ...

Qingdao Echemi Technology Co., Ltd is located in the beautiful coastal city Qingdao, China, belongs to Arrow Chemical Group Corp who a professional manufacturer of Propylene Carbonate, Glycol, Dimethyl Carbonate. supplier Chemicals, such as Maleic Anhydride, Polyols, HPMC, Caustic Soda, ...