Sale: Engineering machinery equipment and accessories, Metal signs and facilities for traffic management, steel, Mining equipment, Air compression machinery, Environmental protection equipment, sewage treatment equipment, Water supply and drainage equipment, Reverse osmosis pure water equipment, Refrigeration equipment, Instruments, valve, pipes, water pump, Firefighting equipment and supplies, Plumbing equipment, Plastic sanitary equipment and sanitary ware, Non-ferrous metal materials( Special exceptions),Metal pressure vessels, Hardware and Electrical, Electronics, Communication equipment, Wires and cables, Auto Parts, rubber products, Building Materials, Irrigation equipment, Municipal、 sanitation engineering vehicles, Road snow removal equipment, kitchen equipment, car( Excluding used cars), Special vehicles( Excluding used cars), motorcycle( Excluding second-hand motorcycle transactions), Sanitary ware, street lights, Light pole lamps, lighting equipment, Highway maintenance equipment, Agricultural machinery and equipment and accessories, Engineering machinery equipment and accessories, tire, stainless steel products, Mechanical and electrical products, air conditioning equipment, Hotel supplies, Labor protection supplies, Knitted textiles, sporting goods, office supplies, Computer hardware and consumables, Clothing, shoes and hats, security equipment, Auto Parts; New energy vehicle sales; Sales of new energy vehicle electrical accessories; Sales of new energy vehicle battery replacement facilities; Sales of Class I medical devices; Sales of Class II medical devices; Sales of sanitary products and disposable medical supplies; Wholesale of protective equipment for medical staff; Medical Mask Wholesale; Disinfectant sales( No hazardous chemicals); Sales of special labor protection products; Metal product sales; Import and export of goods and technology, Machinery and equipment rental( Car rental not included), Environmental governance services, Property Management Services, Housekeeping service。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments)