No.335 Bao'an District Popularity Ranking Shenzhen Guangdong No.5 NOR No.8 UL Certification No.20 Circuit Boards No.29 Computer Circuit Boards No.30 Circuit Boards No.33 Printing Circuit Boards No.64 Security Electronics No.67 Security Technology No.68 Auto Electronics No.90 Security Auto Parts Communication Technology 市级高新技术企业 国家高新技术企业 高新技术企业 省级工程技术研究中心 市级专精特新中小企业 国家知识产权优势企业 省级高新技术企业 ISO9001认证 ISO14001认证 ISO/TS16949认证 RoHS认证 UL认证 GJB9001B