General Projects: Metal structure manufacturing; Metal tool manufacturing;Metal material manufacturing; Manufacturing of metal chains and other metal products; Metal packaging containers and materials manufacturing; Metal forming machine tool manufacturing; Metal cutting machine tool manufacturing; Metal cutting and welding equipment manufacturing; Manufacturing of machine tool functional components and accessories; Metal processing machinery manufacturing; Hydraulic power machinery and components manufacturing; General equipment manufacturing( Excluding special equipment manufacturing); mold manufacturing; General feeding、 Dispensing device manufacturing;Agricultural machinery manufacturing; Special equipment manufacturing( Excluding licensed professional equipment manufacturing); Metal product repair; General equipment repair; Special equipment repair; Electrical equipment repair; Instrument repair; Industrial robot installation、 repair; High-speed rail equipment、 Accessories Manufacturing; Railway locomotive and vehicle parts manufacturing; Marine supporting equipment manufacturing; Mechanical and electrical equipment manufacturing; Motor and control system research and development; Metal material sales; Metal product sales; Electrical equipment sales; Rubber product sales; Plastic product sales; Metal cutting machine tool sales; Metal cutting and welding equipment sales; Seal sales; Sales of metal chains and other metal products; Metal structure sales; Metal forming machine tool sales; Mechanical and electrical equipment sales;Tool Sales; Professional design services; Industrial Design Services; Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion; Engineering and technical services( Planning Management、 Survey、 design、 Except supervision); electronic、 Mechanical equipment maintenance( Excluding special equipment); General mechanical equipment installation services; Machinery and equipment sales; Special equipment sales; Mechanical equipment research and development; Artificial Intelligence Public Service Platform Technical Consulting Services; Artificial intelligence industry application system integration services; Information technology consulting services; Machinery and equipment rental; Special equipment rental; Warehousing equipment rental services;Labor Services( Excluding labor dispatch); Non-residential real estate rentals; Housing rental;House demolition services; Residential water and electricity installation and maintenance services; Enterprise Management; Public utility management services; loading and unloading; General cargo warehousing services( Does not contain hazardous chemicals or other items that require licensing and approval); Metal door and window construction; Installation of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery、 repair; Production of molding materials for casting; Casting machinery manufacturing; Mechanical parts、 Parts processing; General parts manufacturing; Architectural decoration、 Manufacturing of plumbing pipe parts and other metal products for construction; Agricultural, forestry, animal husbandry and fishery machinery parts manufacturing; Manufacturing of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery; Sales of labor protection products; Sales of special labor protection products; Sales of molding materials for casting; Auto parts and accessories manufacturing; Auto parts remanufacturing; Construction machinery manufacturing; Manufacturing of special equipment for feed production; Manufacturing of special equipment for electrical machinery; Animal Husbandry Machinery Manufacturing; Pump and vacuum equipment manufacturing; General valve and plug manufacturing( Excluding special equipment manufacturing); Hydraulic power machinery and components manufacturing; Pneumatic power machinery and components manufacturing; Bearing manufacturing; bearings、 Gear and transmission component manufacturing; Internet sales( Except for the sale of goods that require a license); Mechanical parts、 Parts Sales; Electronic components retail; Valves and plugs sales; Auto parts retail; Auto parts wholesale; CNC machine tool sales; Agricultural machinery sales; Agriculture, forestry and animal husbandry