Dongying Hi-tech Spring Chemical Industry Co., Ltd mainly produces Dimethyl Carbonate, Propylene Glycol, Propylene Carbonate, Isopropyl Alcohol and Dipropylene Glycol. The annual yield of the above products is 15000 MT, 12000 MT, 20000MT, 30000MT and 500MT respectively. Up to now the products have been sold to Europe, America, Japan and other countries and regions. It enjoys good reputation at home and abroad for its excellent quality, reasonable price and sincere service. Now the company has acquired the authentication of ISO9001，ISO14001 and ISO18001 and it is the only manufacturer who has obtained the pharmaceuticals producer license in China.