Business Scope: License projects: Construction project construction; Supervision of water conservancy project construction; Residential interior decoration and renovation; Design of building intelligent systems; Construction project design; Construction labor分包. General projects: Sales of building decoration materials; Sales of concrete structure components; Earthwork and rockfill project construction; Sales of cement products; Protection and management of natural ecosystems; Sales of building waterproofing membrane products; Sales of anti-corrosion materials; Construction of landscaping projects; General machinery and equipment installation services; General equipment repair; Machinery and equipment leasing; Management consulting; Market research (excluding foreign-related investigation); Sales of metal structures; Sales of metal materials; Sales of wood; Sales of building materials. (Except for the projects that are required to be carried out, the company shall independently operate and manage in accordance with the law based on the business license.)