Sales of general machinery and equipment, sales of mechanical parts and components, retail of hardware products, sales of electronic products, sales of metal products such as aluminum and stainless steel products, sales of daily glass products, sales of sanitary ceramic products, sales of cement products, sales of building materials, sales of artificial boards, sales of furniture and rubber products, sales of plastic products, sales of instruments and meters, sales of insulation and sound insulation materials, sales of specialized chemical products (excluding hazardous chemicals), retail of stationery products, sales of daily necessities, sales of needle textiles, retail of clothing and apparel, and retail of shoes and hats;