Furniture sales; Sales of chemical products (excluding licensed chemical products); Machinery and equipment sales; Mechanical and electrical equipment sales; General merchandise sales; Sales of paper products; Office supplies sales; Hardware wholesale; Sales of doors and Windows; Building decoration materials sales; Packaging materials and products sales; Sales of plastic products; Sales of needle textiles and raw materials; Furniture installation and repair services; Sales of household appliances; Household appliance installation services; Household electrical appliance repair; Professional design services; Technical service, technology development, technology consultation, technology exchange, technology transfer, technology popularization; Technology import and export; Import and export of goods; Sanitary ware sales; Wholesale of kitchen and sanitary ware and daily necessities