According to enterprise data, Huludao State-owned Capital Investment and Operation Co., Ltd. was established on 20 15- 12-20, and its business scope includes industrial investment and state-owned assets management. Engineering management services; All kinds of engineering construction activities; Residential interior decoration; Property management; Services of nursing institutions (excluding medical services); Technical services for solar power generation; Technical services for wind power generation; Sales of renewable resources; Recycling of renewable resources (except productive scrap metal); Productive recovery of scrap metal; Plastic product manufacturing; Sales of plastic products; Electric wire; Cable manufacturing; Wire and cable management; Sales of electronic measuring instruments; Sales of electrical machinery and equipment; Mechanical equipment sales; Wholesale of hardware products; Retail of hardware products; Sales of building materials; Sales of light building materials; Sales of metal materials; Sales of chemical products (excluding licensed chemical products); Sales of daily necessities; Grain sales; Wholesale of edible agricultural products; Food management; Hotel management; Accommodation service; Catering service; Non-residential real estate leasing; House leasing. (Projects subject to approval according to law can only be operated after approval by relevant departments. )