Construction engineering and construction; labor分包 for construction; construction operations; residential interior decoration and renovation; special equipment design (Operational projects subject to approval, business scope subject to approval results). General projects: landscape and gardening construction; earthwork construction; engineering management services; metal door and window construction; sale of building decoration materials; paint sales (excluding hazardous chemicals); wholesale of hardware products; sale of metal accessories for construction; retail of hardware products; equipment rental; rental of construction machinery and equipment; municipal facility management; urban greening management; rural and urban urban appearance management; water conservancy-related consulting services; environmental emergency treatment services; residential water and electricity installation and maintenance services; traffic facility maintenance