Qingdao Echemi Technology Co., Ltd is located in the beautiful coastal city Qingdao, China, belongs to Arrow Chemical Group Corp who is a professional manufacturer of Propylene Carbonate, Propylene Glycol, Dimethyl Carbonate. Qingdao Echemi Technology is a professional supplier of Chemicals, such as Maleic Anhydride, Polyols, HPMC, Caustic Soda, Soda Ash, Citric Acid Etc. Now, our customers have covered more than 60 countries and regions.