No.209 Tongliang District Popularity Ranking Chongqing No.20 Bao Xian Gang No.21 Nei Wai Shi Parts No.23 Te Zhong Gao Fen Zi Materials No.23 Wai Shi Parts No.30 Te Zhong Xian Wei Ji Fu He Materials No.34 Composite Materials No.36 Compositing Materials No.38 Plastics No.56 Industrial Construction No.80 PolyHe Products No.86 Polymer Materials No.96 Auto Parts Manufacturing 高新技术企业 国家知识产权优势企业 省级高新技术企业 市级高新技术企业