Technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; auto parts research and development; auto parts and accessories manufacturing; auto parts retail; refrigeration and air conditioning equipment manufacturing; refrigeration and air conditioning equipment sales; software development; software sales; mechanical equipment research and development; mechanical parts and parts processing; mechanical parts and parts sales; metal product research and development; metal material manufacturing; metal product sales; general equipment manufacturing (excluding special equipment manufacturing); general parts manufacturing; motorcycle and parts research and development; motorcycle parts manufacturing ;Retailing of motorcycles and spare parts; non-ferrous metal casting; sales of non-ferrous metal alloys; manufacturing of non-metallic mineral products; sales of non-metallic minerals and products; sales of electronic products; automobile sales; sales of new energy vehicles; import and export of goods; leasing of machinery and equipment; leasing of non-residential real estate; advertising design and agency; advertising production; advertising release; corporate image planning; corporate management consulting; labor service (excluding labor dispatch) licensing projects: special equipment design; special equipment inspection and testing; road cargo transportation (excluding dangerous goods); Class II value-added telecommunications business