General Projects: Special equipment manufacturing( Excluding licensed professional equipment manufacturing); Plastic product manufacturing; Synthetic material manufacturing( No hazardous chemicals); Manufacturing of special instruments for agriculture, forestry, animal husbandry and fishery; High-performance fiber and composite material manufacturing; Agricultural, forestry, animal husbandry and fishery machinery parts manufacturing;Agricultural machinery manufacturing; Metal tool manufacturing; Metal processing machinery manufacturing; Metal cutting machine tool manufacturing; Metal cutting and welding equipment manufacturing; Metal daily necessities manufacturing; Metal forming machine tool manufacturing; Plastic product sales; Mechanical parts、 Parts Sales; Machinery and equipment sales; Sales of special instruments for agriculture, forestry, animal husbandry and fishery; Sales of agricultural, forestry, animal husbandry and fishery machinery parts; Sales of engineering plastics and synthetic resins; Sales of high-performance fibers and composite materials; Metal product sales; Synthetic material sales; Sales of high-performance non-ferrous metals and alloy materials; Metal material sales; New material technology promotion service; Metal cutting services; New material technology research and development; Metal product research and development; Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion( Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license) Licensed Projects: Import and export of goods( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments, The specific business projects are subject to the approval documents or licenses of relevant departments.)