No.160 Xiaoshan District Popularity Ranking Hangzhou Zhejiang No.2 Pipes and Fittings No.6 Valves No.7 Optical Fiber No.7 Water Treatment Valves No.9 Sports Technology No.11 Liu Ti Technology No.11 Optoelectronic Technology No.13 Solar Energy Products No.16 Lighting No.27 Photovoltaic Technology No.35 Photovoltaic No.35 Materials R&D 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