New car sales; Special equipment sales; Auto parts wholesale; Instrument and meter sales; Apparel and clothing wholesale; Cosmetics wholesale; Office equipment consumables sales; Office supplies sales; Building materials sales; Socio-economic consulting services; Information consulting services (excluding licensed information consulting services); Conference and exhibition services; Professional design services; Mechanical equipment sales; Mechanical equipment leasing; General mechanical equipment installation services; Electronic measuring instrument sales; Terminal metering equipment sales; Power facility equipment sales; Hardware product wholesale; Chemical product sales (excluding licensed chemical products).