General Projects: Construction machinery manufacturing; Mining machinery manufacturing;Agricultural machinery manufacturing; Manufacturing of special machinery for tunnel construction; Manufacturing of special machinery and equipment for water resources; General equipment manufacturing( Excluding special equipment manufacturing); Metal processing machinery manufacturing; Animal Husbandry Machinery Manufacturing; Special machinery manufacturing for building materials production; Manufacturing of special equipment for electrical machinery; Casting machinery manufacturing; Special equipment manufacturing( Excluding licensed professional equipment manufacturing); Manufacturing of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery; Gas compression machinery manufacturing; Fishery machinery manufacturing; Forestry and wood and bamboo harvesting machinery manufacturing; Hydraulic power machinery and components manufacturing; Agricultural, forestry, animal husbandry and fishery machinery parts manufacturing; Mechanical and electrical equipment manufacturing; Manufacturing of special equipment for environmental protection; Tractor manufacturing; Material handling equipment manufacturing; Mechanical parts、 Parts processing; Auto parts and accessories manufacturing; General parts manufacturing; Sales of rail transit engineering machinery and parts; Construction machinery sales; Agriculture、 Forest、 Mu、 vice、 Sales of specialized fishing machinery; Mining machinery sales; Hardware product retail; Livestock machinery sales; Auto parts retail; Agricultural machinery sales; Home appliance sales; Special equipment sales; Electrical accessories sales; Mechanical and electrical equipment sales; Electrical equipment sales; Electronics sales; Sales of hydraulic power machinery and components; Sales of liquid and gas sealing components and systems; Sales of non-metallic minerals and products; Metal structure sales; Material handling equipment sales; Sales of spare parts for water transport equipment; Sales of special instruments for agriculture, forestry, animal husbandry and fishery; Mechanical parts、 Parts Sales; Electronic components retail; Machinery and equipment sales; Sales of agricultural, forestry, animal husbandry and fishery machinery parts; Sales of special equipment for environmental protection; Metal material sales; Building materials sales; Auto parts wholesale; Hardware wholesale; Installation of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery、 repair; Machinery and equipment rental; Mechanical equipment research and development; Industrial Engineering Design Services; General mechanical equipment installation services; General equipment repair; Special equipment repair; electronic、 Mechanical equipment maintenance( Excluding special equipment); Construction machinery and equipment rental; Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion; 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)