Sales of office supplies; Luggage sales; Luggage manufacturing; Furniture sales; Furniture manufacturing; Sales of signs for transportation and public management; Manufacturing of metal signs for transportation and public management; Sales of daily necessities; Sales of daily masks (non medical); Production of daily masks (non medical); Information technology consulting services; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of needle textiles; Fabric textile processing; Clothing research and development; Clothing manufacturing; Retail of clothing and apparel; Wholesale of clothing and apparel; Clothing manufacturing; Sales of leather products; Leather product manufacturing; Sales of raw and auxiliary materials for shoe making; Retail of shoes and hats; Wholesale of shoes and hats; Shoe manufacturing; Sales of labor protection equipment; Production of labor protection equipment; Sales of special labor protection equipment; Production of special labor protection equipment; Technology import and export; Import and export of goods;