Shandong Shuangyan Chemical Co., Ltd., is located in Dongying City in Shandong Province Daiwangtian northeast. Yang River in the north, east of Highway Ken Green, East Tsing Highway west of location, accessibility is the country's various rubber hoses, plastic, chemical products spot to manufacture, operate, innovation enterprises. Welcomed by the users. Yan Xu Wei manager of the company, together with the staff sincerely welcome you to king to Shuang house, we believe that we can "mutual benefit and sincere cooperation, friendship regular depositors