No.199 Beijing Popularity Ranking No.23 Yizhuang Development Zone No.1 Equipment Products Equipment Parts No.1 Smart Diagnostics No.1 Power Transmission and Distribution No.1 Integrated Energy Services No.1 Integrated Energy No.1 Bei Jian Gong Ying No.2 Electrical Equipment No.2 Energy Systems No.4 Energy Operations No.4 Power Equipment No.5 Xin Neng Yuan Fa Dian No.5 Neng Yuan Fa Dian 企业技术中心 中关村高新技术企业 高新技术企业 省级高新技术企业 市级高新技术企业