General Projects: Internet of Things Technology Services; Special equipment manufacturing( Excluding licensed professional equipment manufacturing); General equipment repair; General equipment manufacturing( Excluding special equipment manufacturing); Mechanical equipment research and development; Machinery and equipment sales;Agricultural machinery manufacturing; Agricultural machinery sales; Home appliance manufacturing; Home appliance research and development; Home appliance sales; oven、 Furnace and electric furnace manufacturing; oven、 Furnace and electric furnace sales; Manufacturing of special equipment for geological exploration; Sales of special equipment for geological exploration; Manufacturing of special machinery and equipment for water resources; Sales of special equipment for agricultural and sideline food processing; Manufacturing of special equipment for agricultural and sideline food processing; Manufacturing of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery; Agriculture、 Forest、 Mu、 vice、 Sales of specialized fishing machinery; Installation of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery、 repair; Agricultural, forestry, animal husbandry and fishery machinery parts manufacturing; Sales of agricultural, forestry, animal husbandry and fishery machinery parts; Manufacturing of special equipment for environmental protection; Sales of special equipment for environmental protection; Metal structure manufacturing; Metal structure sales; Special equipment repair; Hardware product research and development; Hardware product manufacturing; Hardware wholesale; Hardware product retail; Mechanical parts、 Parts processing; Plastic product manufacturing; Plastic product sales; Mechanical parts、 Parts Sales; fan、 Fan Manufacturing; fan、 Fan Sales; Non-electrical household appliance manufacturing; Sales of non-electrical household appliances; Mechanical and electrical equipment manufacturing; Mechanical and electrical equipment sales; Gas appliance production; New energy prime mover equipment manufacturing; New energy prime mover equipment sales; Door and window manufacturing and processing; Door and window sales; Metal door and window construction; oil refining、 Manufacturing of special equipment for chemical production; oil refining、 Sales of special equipment for chemical production; Construction machinery manufacturing; Construction machinery sales; Auto parts retail; Auto parts wholesale; Auto parts research and development; Motor Manufacturing; Auto parts and accessories manufacturing; bearings、 Gear and transmission component manufacturing; General parts manufacturing; Bearing sales; Bearing manufacturing; Metal forming machine tool sales; CNC machine tool sales; Metal cutting machine tool manufacturing; Manufacturing of machine tool functional components and accessories; Sales of machine tool functional parts and accessories; CNC machine tool manufacturing; Metal cutting machine tool sales; Electric motor manufacturing; Metal forming machine tool manufacturing; Metal cutting services; Metal material sales; Information consulting services( No licensing information consulting services); Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion; Information technology consulting services; Import and export of goods。( Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license)