The business scope includes general projects: sales of fasteners; sales of metal products; retail of hardware products; sales of photovoltaic equipment and components; sales of building metal accessories; sales of building materials; sales of metal tools; technical services, technical development, technical consultation, technical exchange, technology transfer, and technology promotion; solar power generation technical services; sales of metal structures; sales of power electronic components; retail and wholesale of electronic components; retail of auto parts; sales of home appliance parts; sales of home appliances; sales of electronic products; sales of plastic products; sales of electronic special materials; sales of batteries; sales of solar thermal products; sales of solar thermal equipment. (Except for projects that require approval according to law, the company conducts its business activities independently in accordance with the business license.)