Business scope recorded in the articles of association: Glasses( Remove contact lenses), Laboratory Equipment( Except medical devices) Sale, Dust-free equipment( Except medical devices) Sale, medical devices( Limited to products that do not require a medical device license), Chemical raw materials and products(Removal of hazardous chemicals、 Monitoring chemicals、 Fireworks、 Civilian explosives、 Precursor chemicals), Mineral Products( Except for state control), computer、 Software and auxiliary equipment( Except for computer information system security products), Clothing and Accessories, Craft gifts, Shoes and hats, Daily necessities, Office supplies, Stationery and sports supplies, sporting goods, fitness equipment, office equipment, Knitted textiles, leather products, clothing accessories, Metal materials, Metal products, Mechanical and electrical equipment, Mechanical and electrical equipment and accessories, stainless steel products, Mechanical equipment, Mechanical equipment and accessories, Refrigeration equipment, Pneumatic and hydraulic equipment, Electronics, electronic components, electrical equipment, electronic devices, Instruments, Electronic digital products, furniture, Water-based paint, rubber products, Rubber and plastic products, waterproof materials, Insulation materials, Building Materials, Decorative materials, Building decoration materials, wood, Wood products, floor, sanitary ware, ceramic products, Hardware and Electrical, Home appliances, Hardware and electrical appliances, Hardware tools, lighting equipment, Lamps and lighting fixtures, Firefighting equipment, Tools and Cutting Tools, mold, Wires and cables, bedding, leather products, Luggage, Packaging materials, paper products, Communication equipment and related products, communications equipment, Printing equipment, General labor protection products, Labor protection supplies, flowers, cosmetic, Jewelry, Gold and silver jewelry, plastic products, glass products, Commercial vehicles and passenger cars with more than nine seats, motorcycle, Auto and Motorcycle Parts, Auto Parts, cleaning supplies, cleaning supplies, Environmentally friendly products, Hotel supplies, kitchen equipment, Household items,1 Medical devices, Water pipe valve, pump, Pipe fittings, bearings, Compressors and accessories, Engage in import and export of goods and technology, Doorbell system products、 Building intelligent intercom system products、 Smart home system products、 security products、 Monitoring system products、 Anti-theft alarm system products、 Research and development of electronic products、 Production、 Sale, Computer software development、 Computer system services、 Computer Network Engineering、 Web Design、 Design of security system、 repair。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments)