No.54 Changning District Popularity Ranking Shanghai No.1 Energy Investment No.2 Fen Bu Shi Energy No.2 Substations Engineering No.2 Huan Bao Gong Cheng Zhuan Ye Cheng Bag No.2 Waste Heat Recovery No.2 Energy Performance Contracting No.3 Huan Bao Gong Cheng Shi Engineering No.3 Chan Rong Jie He No.3 La Ji Incineration No.3 Wei Dian Nets No.3 Power Engineering Design No.3 Sheng Tai Bao Hu Gong Cheng Shi Engineering 守合同重信用企业 科技小巨人企业 市级高新技术企业 高新技术企业 市级专精特新中小企业 省级高新技术企业 省级创新型中小企业 专精特新企业 电力工程施工总承包 环保工程专业承包