edible agricultural products, Daily necessities、 Stationery and sports supplies、 Clothing, shoes and hats、 Knitted textiles、 Electronics、 Hardware and Electrical、 office supplies、 Chemical products( Except for the first category of precursor drugs and dangerous chemicals)、 Metal products、 steel、 building materials( Except wood) Sale; Enterprise management information consulting, R&D and sales of computer software, hardware and peripheral equipment, graphic design, Indoor and outdoor decoration, Self-operated and agency import and export business of various commodities and technologies; design、 Production、 Domestic advertising agency, Launched domestic outdoor advertising business, Exhibition services。( Businesses that require special approval are not allowed to operate without approval)