General items: Small electrical appliances, hair dryer, electric kettle, glass products. Sales of mechanical equipment; Sales of metal materials; Sales of metal tools; Wholesale of hardware products; Retail of hardware products; Sales of high-quality special steel materials; Sales of chemical products (excluding licensed chemical products); Household goods sales; Sales of general merchandise for daily use (except for items subject to approval according to law, carry out business activities independently according to law with the business license)