Hardware and building materials are the mother of industry. The products of hardware and building materials, the foundation of national defense, are usually divided into two categories: large hardware and building materials and small hardware and building materials. Large scale hardware building materials refer to steel plate, steel bar, flat steel, universal angle steel, channel steel, I-beam and all kinds of steel

Hardware and building materials are divided into construction hardware, white iron sheet, lock nail, iron wire, wire mesh, steel wire scissors, family hardware, various tools and building materials. According to the nature and use of hardware and building materials, they can be divided into eight categories: steel, non-ferrous metal materials, mechanical parts, transmission equipment, auxiliary tools, operation tools, construction hardware and family hardware.

Building decoration hardware materials: building hardware, decoration hardware (lock, handle), iron products, hardware accessories, hardware tools, hardware molds, hardware castings, etc.

Automatic door and door control hardware building materials: all kinds of automatic door, door control hardware system and accessories, access control electronic system and other comprehensive kitchen / comprehensive household materials and related equipment: comprehensive cabinet, materials, sink, faucet, kitchen pendant, kitchen stove, kitchen electrical equipment, wall cabinet, sliding door, partition, etc.