Production, R&D and sales: mechanical and electrical products, cable harnesses, auto parts, motorcycle parts (all excluding engine production), agricultural machinery and accessories, refrigeration equipment and accessories, general mechanical equipment and accessories; software development; computer graphic design; website construction; sales: metal materials, building materials, decorative materials (the two above) The items do not include chemical hazardous materials), Wujijiaodian, daily necessities, labor protection supplies, chemical products (excluding chemical dangerous goods and precursor chemicals), mineral products, mechanical equipment and electrical equipment, electromechanical products; import and export of goods (excluding items prohibited or restricted by the state), trademark, intellectual property agency services, and engaged in construction-related business. **[Projects that require approval according to law can only be carried out with approval from relevant departments]