General Projects: Sales of artificial boards; Sales of lightweight building materials; Sales of concrete structure components; Sales of cement products; Sales of building blocks; Sales of architectural decoration materials; Research and development of carbon emission reduction, carbon conversion, carbon capture, and carbon sequestration technologies; Research and development of new materials; Engineering and technical research and development; Earthwork construction; Metal door and window construction; Landscape gardening construction. (Except as otherwise required by laws and regulations, the company operates independently based on its business license in accordance with the law.) Permitted Projects: Construction engineering design; Construction engineering; Residential interior decoration. (If otherwise required by laws and regulations, the company operates in accordance with the provisions of the administrative permit, and the specific business scope is subject to the approved documents or permits of the administrative authorities.)