Business scope: General items: Wholesale of hardware products; Retail of hardware products; Sales of construction materials; Sales of building decoration materials; Wire, cable business; Doors and windows sales; Lighting appliances sales; Mechanical and electrical equipment sales; Sales of waterproofing membrane products for construction; Sales of non-metallic minerals and products; Sales of metal materials; Sanitary ware sales; Paint sales (excluding hazardous chemicals); Sales of special labor protection supplies; Daily necessities sales (in addition to projects subject to approval by law, with a business license to carry out business activities independently according to law)