No.317 Jiangjin District Popularity Ranking Chongqing No.11 Tu Rang Xiu Fu No.14 Fei Water Treatment No.17 Qing Jie Technology No.36 Vocational Healthy No.43 Sewage Treatment No.50 Water Treatment Engineering No.50 Shui Chu Li Wei Hu No.53 Water Treatment Technology No.59 Water Treatment No.72 Environmental Protection Products No.74 Drainage No.82 Testing 标准起草单位 市级高新技术企业 国家标准起草单位 高新技术企业 省级高新技术企业 企业技术中心 院士工作站 博士后工作站 国家专利 专精特新小巨人企业 ISO9001认证 ISO14001认证 OHSAS18001认证