Metals and metal ores, Non-metal and its products, Mechanical equipment, Building Materials, Hardware and Electrical, Power equipment, Plumbing equipment, office supplies, computer、 Software and auxiliary equipment, Communication equipment, agricultural products, food, Wholesale of daily necessities、 retail; Conference and Exhibition Services; Business agency services; Property Management Services; Landscaping Project、 Communication Engineering Design、 construction; Warehousing services( No hazardous chemicals); Business information consulting services( Excluding finance、 invest、 Financial information); car、 Venue rental;Other resident services; Import and export of goods or technology。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments)