Chongqing Jiulongpo District No.15 Tu Rang Xiu Fu No.23 Fei Water Treatment No.31 Gong Yi Design No.33 Qing Jie Technology No.40 Gu Ti Fei Materials No.52 Huan Jing Wu Ran Zhi Management No.54 Wu Ran Control No.54 Wu Ran Zhi Management No.62 Sewage Treatment No.67 Ke Chi Xu Fa Zhan No.70 Environmental Engineering Technology No.77 Water Treatment Engineering 省级高新技术企业 市级高新技术企业