No.740 Shenzhen Popularity Ranking No.76 Longgang District Guangdong No.1 Dian Yuan Zhuan Huan No.1 Qi Che Zhi Liang No.1 AC-DC No.2 Laboratory Instruments Equipment No.2 Safety Compliance No.2 Control Instruments No.3 Power Supplies Technology No.3 Power Supplies Systems No.3 Research Equipment No.4 Chong Motors No.4 Laboratory Equipment No.6 DCDC 高新技术企业 省级高新技术企业 市级高新技术企业 ISO9001认证 ISO14001认证 ISO/TS16949认证 IATF16949认证