No.92 Chongqing Popularity Ranking No.1 Tongliang District No.1 Plastic Products No.1 Plastic Products Manufacturing No.1 Hardware Products No.2 Informatization Construction No.2 Jing Mi Ling Components No.3 Zhu Parts No.3 Surface Treatment No.3 Security No.3 Die Casting Parts No.3 Structural Parts No.3 Security Technology No.4 Precision Machinery 高新技术企业 省级高新技术企业 市级高新技术企业 专精特新小巨人企业 专精特新企业