Our business scope covers general projects such as manufacturing of building decoration, plumbing fittings, other building metal products; manufacturing of hardware products; manufacturing of rubber products; manufacturing of ordinary valves and sockets (excluding special equipment manufacturing); manufacturing of general mechanical components; manufacturing of specialized chemical products (excluding hazardous chemicals); processing of mechanical components and parts; selling of mechanical components and parts; selling of building materials; selling of pipeline transportation equipment; selling of rubber products; wholesale of hardware products; selling of metal products; selling of valves and sockets; selling of specialized chemical products (excluding hazardous chemicals); and providing general mechanical equipment installation services (except as otherwise required by relevant departments, operate independently and autonomously based on the business license).