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Welcome to Changzhou Sidande Chemical Co., Ltd. Our company is based on the factory in Lianyungang Chemical Industrial Park and the mature market in southern Jiangsu. We specialize in providing various types of chemical intermediates. Years of profes
Chengdu Xinwei Cheng Technology Co., Ltd. (formerly known as Chengdu Weicheng Electronic Machinery) specializes in the production, manufacturing, wholesale, and retail of micro pumps; Including miniature water pumps, miniature vacuum pumps, miniature