General equipment manufacturing (excluding special equipment manufacturing); mold manufacturing; equipment manufacturing (excluding licensed professional equipment manufacturing); automotive parts and accessories manufacturing; metal processing machinery manufacturing; general equipment repair; general parts manufacturing; metal structure manufacturing; bearing, gear, and transmission parts manufacturing; mechanical parts and components processing; mechanical parts and components sales; electrical equipment manufacturing; technical services, technical development, technical consultation, technical exchange, technology transfer, and technology promotion; electrical equipment repair; electronic components and electromechanical assembly equipment manufacturing; industrial automatic control system device manufacturing. (Except as otherwise required by laws and regulations, operate independently and lawfully based on the business license.)