Business scope includes hardware products manufacturing; Daily miscellaneous products manufacturing; General parts manufacturing; Machinery parts, spare parts processing; General equipment manufacturing (excluding special equipment manufacturing); General mechanical equipment installation services; Computer and office equipment maintenance; Wholesale of daily necessities; Maintenance of electronic and mechanical equipment (excluding special equipment); Lubricating oil sales; Electrical equipment sales; Electrical equipment repair; Electrical and mechanical equipment sales; Mechanical and electrical equipment manufacturing; Office equipment consumables sales; Instrument sales; Instrumentation manufacturing; Instrumentation repair; Hardware products wholesale; Hardware products retail; Labor protection products sales