1. Hunan Huachu Supervision Company, a state-owned enterprise, belongs to the fourth-level subsidiary of Chinalco Group. It is a wholly state-owned enterprise with independent legal personality, with Grade A supervision of housing construction projects, Grade A supervision of smelting projects, Grade B supervision of municipal public works and Grade B supervision of civil air defense projects. State-owned enterprises refer to wholly state-owned enterprises, wholly state-owned companies and state-owned capital holding companies that the State Council and local people's governments perform the responsibilities of investors on behalf of the state respectively.
2. Hunan Tianhao Engineering Supervision Co., Ltd. is a state-owned enterprise wholly owned by Changde City Development Group Co., Ltd. and an economic entity with independent legal personality. The company has established a perfect administrative and business management organization, and accepted the audit and supervision of Changde City Development Group Co., Ltd. ... It has a comprehensive department, a finance department and an engineering department.