Fireproof doors and windows, steel doors, steel-wood doors, copper doors, aluminum alloy doors, wooden doors, locks, safes, automation equipment, metal daily necessities, scooters, auto parts, motorcycle parts (except engines), furniture, outdoor leisure products, cleaning equipment, daily plastic products, metal It is engaged in the research and development, manufacturing and sales of tools, household appliances, fitness equipment, stainless steel products, aluminum products, circuit boards, electronic products, electric tools, electric bicycles, and daily glass products; the installation of doors and windows, the design and construction of building decoration projects; and the import and export of goods and technology.