No.250 Yuhang District Popularity Ranking Hangzhou Zhejiang No.3 Wu Ran Control No.8 Wu Hai Chemical Processing No.10 Gu Ti Fei Materials No.17 Ji Chu Facilities Construction No.27 Testing No.29 Environmental Protection Products No.33 Ke Chi Xu Fa Zhan No.39 Environmental Technology No.44 Energy Saving and Environmental Protection No.53 Environmental Treatment No.57 Environmental Treatment No.58 Environmental Protection Processing 理事单位 高新技术企业 省级专精特新中小企业 省级高新技术企业 科技型中小企业 省科技型中小企业 发明专利 省级创新型中小企业 市级创新型中小企业