No.783 Beijing Popularity Ranking No.56 Xicheng District No.3 Power Investment No.3 Energy Digital Chemical No.5 Biomass Power Generation No.5 Ran Mei Fa Dian No.5 Mei Dian No.6 City Gas No.6 Nuclear Power Plants No.6 PV Power Stations No.7 He Li Fa Dian No.7 Nuclear Power Power Supplies No.7 Energy Safety No.8 Photovoltaic Power Generation 双百企业 鲁班奖 国家优质工程奖 中国安装之星 全国文明单位 市级文明单位