No.70 Beibei District Popularity Ranking Chongqing No.1 Water Pipes No.2 Products Copies Nets Engineering No.3 Sheng Tai Xiu Fu No.3 Pipes No.4 Water Supply and Drainage Design No.4 Water Supply and Drainage Engineering No.4 Water Supply and Drainage No.6 Ke Chi Xu Fa Zhan No.6 Gu Ti Fei Materials No.7 Sheng Tai Bao Hu Gong Cheng Shi Engineering No.7 Yuan Lin Jing Taoist Temples Engineering No.8 Water Services AAA级信用企业 国家高新技术企业 高新技术企业 省级高新技术企业 市级高新技术企业 国家知识产权优势企业 ISO9001认证 ISO27001认证