No.178 Nan'an District Popularity Ranking Chongqing No.8 Construction Design Consulting No.9 Gong Cheng Ce Liang No.9 Engineering Surveying and Mapping No.9 Water Supply and Drainage Engineering No.9 Design Consulting No.10 Water Supply and Drainage Design No.10 Yan Tu Gong Cheng She Ji Shi Engineering No.10 Tu Mu Engineering No.11 Engineering Survey Design No.11 Water Supply and Drainage No.13 Bridge Beam Engineering No.13 Surveying and Mapping 守合同重信用企业 理事单位 省级高新技术企业 市级高新技术企业 高新技术企业 ISO9001认证