General equipment manufacturing (excluding special equipment manufacturing); mechanical parts and parts processing; sales of mechanical parts and parts; retail of automobile spare parts; retail of motorcycles and spare parts; sales of power electronic components; manufacturing of automobile parts and accessories; manufacturing of motorcycle spare parts; manufacturing of power electronic components; manufacturing of mechanical and electrical equipment; manufacturing of electronic components and electromechanical component equipment; manufacturing of hardware products; manufacturing of machine tool functional parts and accessories; manufacturing of power transmission, distribution and control equipment; and manufacturing of electrical auxiliary parts. Licensed items: import and export of goods; import and export of technology.