General projects: Research and development of new materials technology; promotion services of new materials technology; research and development of hardware products; wholesale of hardware products; sales of daily necessities; sales of mechanical and electrical equipment; sales of building materials; sales of furniture; sales of daily chemical products; sales of chemical products (excluding chemical products subject to approval); wholesale of clothing and accessories; sales of textile products and raw materials; technical services, technical development, technical consultation, technical exchange, technical transfer and technical promotion; sales of mechanical equipment; sales of security equipment; sales of labor protection supplies; sales of metal products; sales of daily glass products; sales of technical glass products; wholesale of shoes and hats; import and export of goods. (Except for projects that must be approved by law, business activities can be carried out independently in