No.337 Yuhang District Popularity Ranking Hangzhou Zhejiang No.5 Water Supply and Drainage Design No.6 Water Supply and Drainage No.6 Water Supply and Drainage Engineering No.11 Ocean Engineering No.11 Water Investment No.11 Water Engineering No.12 Shui Wu Gui Hua No.12 Water Construction No.13 Water Safety No.13 Drainage Systems No.13 Water Services No.16 Sewage Treatment 瞪羚企业 专利示范企业 科技型中小企业 省科技型中小企业 高新技术企业 省级高新技术企业 省级创新型中小企业 专精特新小巨人企业 市级创新型中小企业