Beijing Fengtai District No.16 Environmental Protection Facilities No.19 Gong Yong Shi Industries No.19 Huan Jing Wu Ran Zhi Management No.25 Energy Saving Renovation No.32 Industrial Energy Saving No.34 Energy Performance Contracting No.39 Thermal Energy Engineering No.41 Wu Ran Zhi Management No.43 Energy Development No.44 Dian Ci Jian Rong No.45 Wu Ran Control No.45 Energy Investment 企业技术中心 省级高新技术企业 市级高新技术企业 高新技术企业 市级创新型中小企业