No.83 Fengtai District Popularity Ranking Beijing No.1 Di Ya Switches Cabinet No.1 Switches Cabinet No.1 Positioning Systems No.1 Xiang Shi Substations No.1 Ring Main Units No.2 Pei Appliances No.2 Power Distribution Switches No.3 Di Ya Pei Dian No.3 Power Distribution Equipment No.3 Switchgear No.3 Monitoring Equipment No.4 Dian Xian / Cables 企业技术中心 中关村高新技术企业 专精特新企业 市级专精特新中小企业 高新技术企业 瞪羚企业 能源管理体系认证