China-Places.com has listed approx 7 Chemical plants in Tongzhou. Some of the Top rated Chemical plants in Tongzhou are- Beijing Chenxi Chemical Industry Limited Company, Beijing Hengju Oil Field Huaxueji Limited Company, LG Chemistry, Beijing Kanggang Xinglong Metal Products Limited Company, Beijing Kalite Jingxi Chemical Company, Beijing Kanggang Xinglong Metal Products Limited Company & China Chemistry Engineering No.6 Construction Company Beijing Branch.