General equipment manufacturing (excluding special equipment manufacturing); Special equipment manufacturing (excluding licensed professional equipment manufacturing); Mining machinery manufacturing; Motor vehicle modification services; Geological exploration special equipment manufacturing; Metal processing machinery manufacturing; Metal structure manufacturing; Moped manufacturing; Import and export of goods; Metal waste and scrap processing; Automotive parts and accessories manufacturing; Automotive parts and accessories retail; Metal material sales. Licensed items: Road motor vehicle production; Special equipment manufacturing; Special equipment installation, modification, and repair.