Manufacturing of electronic components; wholesale of electronic components; manufacturing of power electronic components; sales of power electronic components; retail of electronic components; sales of electronic components and electromechanical component equipment; manufacturing of electronic components and electromechanical component equipment; wholesale of automobile parts; manufacturing of motorcycle parts; retail of automobile parts; manufacturing of automobile parts and accessories; wholesale of motorcycles and spare parts; sales of electronic products; manufacturing of display devices; sales of display devices; manufacturing of electronic vacuum devices; sales of electronic vacuum devices; sales of special electronic equipment; electronic special Equipment manufacturing; sales of household appliance spare parts; distribution switch control equipment manufacturing; distribution switch control equipment sales; transmission and distribution monitoring and control equipment manufacturing; mechanical and electrical equipment manufacturing; mechanical and electrical equipment sales; transmission and distribution monitoring and control equipment sales; mold manufacturing; mold sales; non-residential real estate leasing; software development; software sales; software outsourcing services; computer software, hardware and peripheral equipment manufacturing; computer software, hardware and auxiliary equipment wholesale; computer software, hardware and auxiliary equipment retail; goods import and export; technology import and export. Licensed items: Wire and cable manufacturing.