No.474 Longhua District Popularity Ranking Shenzhen Guangdong No.12 Water Supply and Drainage Engineering No.12 Shi Zheng Gong Yong Engineering Design No.12 Water Supply and Drainage Design No.14 Tu Mu Engineering No.14 Water Supply and Drainage No.15 Transportation Engineering No.24 Shi Zheng Gong Cheng Shi Engineering No.26 Drainage Systems No.35 Transportation Transportation No.38 Drainage No.41 Planning Design No.43 City Township Construction 国家高新技术企业 高新技术企业 科技型中小企业 市科技型中小企业 省级高新技术企业 市级高新技术企业