Chongqing Sanfeng Environmental Industry Group Co., Ltd. is an environmental protection group company specializing in the investment, construction and operation of domestic waste incineration treatment projects, with diversified shareholder structure, consisting of central enterprises and local state-owned enterprises. The inquiry results show that Chongqing Sanfeng Environmental Group is a state-owned enterprise, but it is an employment system and a labor contract system, and it has not been compiled.