No.490 Beijing Popularity Ranking No.13 Shunyi District No.1 Wu Xian She Pin No.1 Cables No.1 Optical Cables No.1 Ce Shi Ce Liang No.1 Antennas No.1 Dian Zi Lian Jie Devices No.2 Lian Jie Devices No.2 Lv Bo Devices No.2 She Pin Qian Duan No.2 Wu Lines Communication No.2 Wei Bo No.3 Guang Communication 中关村高新技术企业 高新技术企业 企业技术中心 知识产权示范企业 市级知识产权示范企业 省级高新技术企业 ISO9001认证 ISO14001认证 ISO/TS16949认证