Wholesale and retail: Hardware and electrical appliances, building materials, decoration materials, water-based coatings, chemical products (excluding restricted or prohibited products such as hazardous chemicals, and excluding storage of frozen, refrigerated, refrigeration, hazardous chemicals), specialized construction equipment, instruments and meters, automotive spare parts, electronic components, computers and auxiliary equipment, electrical appliances, metal materials, metal products, stainless steel products, electromechanical equipment, plastic products, labor protection supplies, fire-fighting equipment, handicrafts, daily necessities, household goods, furniture, textile products, wood products, installation and maintenance of refrigeration equipment, import and export of goods and technology (prohibited by national laws and regulations shall not be operated, and permission shall be obtained for operation of projects restricted by laws and regulations) (Projects that require approval in accordance with the law shall be operated after approval by relevant departments).