The business scope includes general projects: sales of metal materials; Sales of metal products; Sales of metal structures; Sales of non-metallic minerals and products; Retail of hardware products; Sales of daily necessities; Sales of sealing fillers; Sales of insulation materials; Sales of building decoration materials; Sales of building materials; Sales of building steel reinforcement products; Sales of artificial boards; Sales of building blocks; Sales of building waterproofing membrane products; Sales of electronic products; Retail of electronic components; Sales of office supplies; Sales of non-ferrous metal alloys; Sales of mechanical equipment; Sales of high-performance non-ferrous metals and alloy materials; Sales of household appliances; Sales of arts and crafts and ceremonial items (excluding ivory and its products);