Import and export of goods; import and export of technology; import and export agency General projects: technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; general equipment manufacturing (excluding special equipment manufacturing); special equipment manufacturing (excluding licensed professional equipment manufacturing); moped manufacturing; electric bicycle sales; pneumatic and electric tool manufacturing; pneumatic and electric tool sales; Manufacturing of auto parts and accessories; retail of auto parts; manufacturing of motorcycle parts; retail of motorcycles and parts; manufacturing of lighting fixtures; sales of lighting fixtures; processing of mechanical parts and parts; sales of mechanical parts and parts; manufacturing of plastic products; sales of plastic products; sales of metal materials; sales of new automobiles; parking lot services