Shanghai Songjiang District No.19 Hu Lian Wang Jie Ru No.22 Network Equipment No.29 Guang Communication Technology No.30 Guang Communication No.30 Guang Communication Systems No.34 Wu Lines Communication No.40 Guang Communication Components No.56 Communication Equipment No.57 Optical Fiber No.58 Yi Dong Wu Lines Communication No.79 Communication Equipment Optoelectronic 市级高新技术企业 高新技术企业 科技型中小企业 市科技型中小企业 省级高新技术企业 ISO9000认证