The business scope includes general business items: Sales of electronic products; Sales of metal products; Sales of intelligent vehicle equipment; Sales of mechanical equipment; Sales of gas compression machinery; Sales of pneumatic power machinery and components; Retail of electronic components; Wholesale of computer software, hardware and auxiliary equipment; Sales of industrial control computers and systems; Leasing of computers and communication equipment; Network technology services; Information system integration services; Wholesale of hardware products; Research and development of hardware products; Sales of valves and cocks; Sales of intelligent instruments and meters; Sales of refrigeration and air-conditioning equipment; Research and development of valves and cocks; Wholesale of auto parts; Sales of new energy vehicles