1, Shanghai Baoye Group Co., Ltd. (Changsha Branch), a state-owned enterprise headquartered in Shanghai, was established in 2009, and its business scope covers road freight transportation (excluding dangerous goods), surveying and mapping services, real estate development and operation, installation, maintenance and inspection of power transmission and transformation, power supply and power reception facilities.
2. Shanghai Installation Engineering Group Co., Ltd. (Changsha Branch) is a state-owned enterprise, headquartered in Shanghai, established in 1958, and its business scope covers the first-class qualification of electromechanical installation, smelting engineering, chemical petroleum, municipal public works construction general contracting, electromechanical equipment installation, fire-fighting facilities, building intelligence and pipeline engineering professional contracting.