Road motor vehicle production; Special equipment design; Special equipment manufacturing; Class III medical device operations. General items: Technical services, technology development, technical consultation, technical exchange, technology transfer, and technology promotion; Engineering and technological research and experimental development; Automobile sales; Motor vehicle repair and maintenance; Automobile parts research and development; Automobile parts and accessories manufacturing; Container manufacturing; Container sales; Container repair; Refrigeration and air conditioning equipment manufacturing; Refrigeration and air conditioning equipment sales; Glass fiber and product manufacturing; Glass fiber and product sales; Thermal and sound insulation material manufacturing; Thermal and sound insulation material sales; Special equipment sales; General equipment manufacturing (excluding special equipment manufacturing); General equipment repair; Mechanical equipment sales; Building material sales; Rubber product manufacturing; Rubber product sales; Mold manufacturing; Mold sales; Drawing, calculating, and measuring instrument manufacturing; Drawing, calculating, and measuring instrument sales; Industrial textile finished product manufacturing; Industrial textile finished product sales; Mechanical and electrical equipment manufacturing; Mechanical and electrical equipment sales; Gas compression machinery manufacturing; Gas compression machinery sales; Pump and vacuum equipment sales; Class II medical device sales; Import and export of goods; Technology import and export.