General projects: Sales of intelligent agricultural machinery and equipment; Agricultural machinery manufacturing; Agricultural machinery sales; Sales of specialized machinery for agriculture, forestry, animal husbandry, sidelines, and fishery; Technical services, technical development, technical consultation, technical exchange, technology transfer, and technology promotion; Special equipment sales; Battery leasing; Recycling and cascade utilization of waste power batteries for new energy vehicles (excluding hazardous waste operations); Battery sales; Domestic trade agency; Wholesale of auto parts; Sales of electric accessories for new energy vehicles; New energy vehicle sales; Retail of auto parts; Sales of rubber products; Sales of metal chains and other metal products; Sales of electrical equipment; Sales of mechanical and electrical equipment; Import and export of goods; Technology import and export (except for projects that require approval according to law, business activities shall be conducted independently according to law with a business license).