Communication equipment, building materials, Hardware and Electrical, Daily necessities, stationery, computer、 Software and auxiliary equipment, Automobiles and spare parts, Chemical products( No hazardous chemicals), Firefighting equipment, Sand and gravel, Metals and metal ores, Non-metallic minerals and products, Sales of home appliances; Electrical equipment installation and maintenance; Mechanical equipment sales and installation; Electric vehicle sales and maintenance; Recycling of renewable resources、 Processing; Import and export of goods or technology; Advertising Design、 Production、 acting、 release。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments)