No.341 Xihu District Popularity Ranking Hangzhou Zhejiang No.16 Environmental Monitoring No.28 Environmental Engineering No.33 Environmental Protection Products No.35 Environment Technology No.39 Ke Chi Xu Fa Zhan No.41 Environment Management No.48 Environmental Technology No.67 Environmental Treatment No.71 Environmental Protection Processing No.72 Environmental Treatment No.78 Environmental Engineering No.82 Yun Wei 省级专精特新中小企业 市级创新型中小企业 省级高新技术企业 省级服务业龙头企业 科技型中小企业 省科技型中小企业