Road motor vehicle production; road cargo transportation (excluding dangerous goods); import and export of goods; import and export of technology. General items: construction engineering machinery manufacturing; construction engineering machinery sales; construction engineering machinery and equipment leasing; mechanical parts and components processing; agricultural machinery manufacturing; agricultural machinery sales; mechanical equipment research and development; mechanical equipment sales; mechanical equipment leasing; intelligent robot research and development; industrial robot manufacturing; industrial robot sales; intelligent robot sales; special operation robot manufacturing; artificial intelligence hardware sales; specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); technical services, technical development, technical consulting, technical exchange, technology transfer, technology promotion; container manufacturing; container sales; furniture manufacturing; furniture sales; new car sales; used car sales; car leasing; metal ore sales; metal material sales; coal and product sales; lubricating oil sales; sporting goods manufacturing; sporting goods and equipment retail; motor vehicle repair and maintenance; specialized equipment repair; industrial robot installation and maintenance; general equipment repair; ship sales; auto parts retail.