Shenzhen Nanshan District Guangdong No.4 Song Bian Dian No.5 Energy Saving Services No.6 Power Transmission and Distribution No.7 Zhi Neng Pei Dian No.7 Electricity Sales No.7 Substations Engineering No.8 Dian Li Chuan Shu No.12 Power Technology No.12 Neng Yuan Fa Dian No.12 Power Engineering Management No.13 Dian Li Gong Cheng Shi Engineering No.13 Shu Dian 国家高新技术企业 高新技术企业 科技型中小企业 市科技型中小企业 省级高新技术企业 市级高新技术企业 电力工程施工总承包