Import and export of goods, import and export of technology General projects: motorcycle parts research and development, automobile parts research and development, mechanical parts and parts processing, general parts manufacturing, motorcycle parts manufacturing, automobile parts and accessories manufacturing, metal tool manufacturing, general equipment manufacturing (excluding special equipment manufacturing), special equipment manufacturing (excluding licensed professional equipment manufacturing), mechanical and electrical Equipment manufacturing, technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion, software development, information technology consulting services, information system integration services, general cargo warehousing services (excluding hazardous chemicals and other items requiring license approval), sales of mechanical parts and components, sales of metal materials, sales of mechanical equipment