No.212 Bao'an District Popularity Ranking Shenzhen Guangdong No.3 Communication Systems No.12 Communication Systems No.14 Circuit Boards No.16 Jie Neng Jian Pai No.18 Boards Cards No.20 Dian Zi Lian Jie Devices No.22 Computer Circuit Boards No.23 Circuit Boards No.24 Lian Jie Devices No.27 Water Mirror No.27 Printing Circuit Boards No.37 Electronics Engineering 国家免检产品 AAA级信用企业 ISO9001认证 TL9000认证 QS9000认证 ISO14000认证 ISO/TS16949认证