Sales of metal products; sales of metal chains and other metal products; sales of metal materials; sales of metal structures; sales of construction steel bar products; sales of bearings; sales of non-metallic minerals and products; sales of high-quality special steel materials; retail of hardware products; sales of pneumatic power machinery and components; sales of plastic products; sales of construction engineering machinery; sales of electronic components and electromechanical component equipment; sales of power electronic components; retail of electronic components; sales of mechanical equipment; sales of building materials; sales of molds; sales of mechanical parts and components; trading of wires and cables; sales of construction metal fittings; sales of instruments and meters; sales of rubber products; sales of chemical products (excluding licensed chemical products); sales of intelligent material handling equipment; sales of intelligent warehousing equipment; sales of electronic products; sales of labor protection articles; sales of office supplies; sales of packaging materials and products; sales of synthetic materials; sales of furniture; sales of network equipment; maintenance of electronic and mechanical equipment (excluding special equipment); installation services of general mechanical equipment; import and export of goods; import and export of technologies.

(Except for projects that require approval in accordance with the law, the company shall independently carry out business activities in accordance with the law on the strength of the business license.)