Agricultural machinery manufacturing; Agricultural machinery sales; Agricultural machinery leasing; Agricultural machinery services; Agricultural, forestry, animal husbandry, and fishery professional machinery manufacturing; Agricultural, forestry, animal husbandry, and fishery professional machinery sales; Agricultural, forestry, animal husbandry, and fishery professional machinery installation and repair; Intelligent agricultural management; Intelligent agricultural equipment sales; Agricultural, forestry, animal husbandry, and fishery machinery parts manufacturing; Agricultural, forestry, animal husbandry, and fishery machinery parts sales; Mechanical equipment research and development; Mechanical equipment sales; Fishery machinery sales; Fishery machinery manufacturing; Metal material sales; Automotive parts and accessories manufacturing; Crop straw treatment and processing utilization services; Comprehensive utilization of agricultural, forestry, animal husbandry, and fishery waste; Technology research and development for resourceful and harmless utilization of agricultural and forestry waste; Bio-organic fertilizer research and development; Technical services, technology development, technical consulting, technology exchange, technology transfer, technology promotion; Technology import and export; Import and export of goods; Environmental protection special equipment manufacturing; Environmental protection special equipment sales; Internet sales (excluding goods requiring sales permits); Metal structure manufacturing; Metal structure sales. Licensed items: Road motor vehicle production.