Beijing Tongzhou District No.15 Dian Qi Gao Di Ya Complete Set No.25 Xiang Shi Substations No.27 Switchgear No.38 Charging Pile No.38 CNC Technology No.42 Charging Equipment No.43 Switches No.44 Di Ya Appliances No.53 Testing Systems No.57 Power Technology No.72 Power Transmission and Distribution No.86 Substations 省级专精特新中小企业 市级专精特新中小企业 市级创新型中小企业 中关村高新技术企业 高新技术企业 省级高新技术企业