Hangzhou Yuhang District ZhejiangNo.12 Power Transmission and DistributionNo.14 Water EngineeringNo.15 Water InvestmentNo.15 Water ConstructionNo.16 Water ServicesNo.16 Water SafetyNo.16 Shui Wu Gui HuaNo.17 Frequency Conversion TechnologyNo.19 Chemicals EquipmentNo.23 Shui Zi YuanNo.42 WaterNo.50 Power Equipment