Auto parts and accessories manufacturing; auto parts research and development; auto parts wholesale; auto parts retail; mechanical equipment research and development; mold sales; mechanical parts and parts sales; business management; business management consulting; technical services, technology development, technology consulting, technology exchange, technology transfer, technology promotion; leasing Services (excluding licensed leasing services); non-residential real estate leasing; import and export of goods; import and export of technology; import and export agents; sales agents; trade brokers; wholesale of motorcycles and spare parts; wholesale of hardware products; wholesale of electronic components; sales of machinery and equipment; sales of metal products; sales of CNC machine tools; leasing of machinery and equipment