Permitted items: Import and export of goods; Import and export agent; Technology import and export. (For projects subject to approval according to law, business activities can only be carried out after approval by relevant departments, and the specific business projects shall be subject to the approval documents or permits of relevant departments). General Programs: Conference and Exhibition Services; Wholesale of hardware products; Sales of building materials; Sales of lime and gypsum; Hardware product retail; Floor sales; Sales of building decoration materials; Wire and cable operation; Sales of daily necessities; Sales of clothing accessories; Internet sales (except for the sale of goods that require a license); Wholesale of daily necessities; Sales of daily miscellaneous goods; Sales of labor protection supplies. (Except for projects that must be approved according to law, independently carry out business activities according to law on the basis of business license).