No.209 Binjiang District Popularity Ranking Hangzhou Zhejiang No.5 Optical Fiber No.6 Guang Communication Technology No.6 Guang Communication Systems No.6 Lian Jie Devices No.8 Guang Communication No.12 Hao Materials No.29 Optoelectronic No.37 Optics No.74 Communication Technology No.85 Dian Zi Yuan Parts Jing Mi Yan Grinders Guang Modules 省级高新技术企业 国家高新技术企业 高新技术企业 科技型中小企业 省科技型中小企业 市级创新型中小企业 ISO9001认证