Chongqing Yubei DistrictNo.7 Power Transmission and Distribution EngineeringNo.7 Power FacilitiesNo.11 Zhi Neng Wei Dian NetsNo.11 Control EquipmentNo.15 Substations EngineeringNo.19 City GasNo.19 Clean EnergyNo.20 Power Engineering ManagementNo.22 TransformersNo.23 Electromechanical Engineering DesignNo.28 Electrical EngineeringNo.28 Construction Electromechanical Engineering市级重点新产品发明专利软件著作权企业技术中心科技型中小企业民营科技企业承装修试电力工程施工总承包机电工程施工总承包