Recycling metal resources: scrap steel, iron, copper, aluminum, stainless steel, nonferrous metals and rare metal raw materials. 1. Scrap metals: electrolytic copper, red copper, phosphor copper, bronze, 65# copper, beryllium copper, pure scrap copper, electroplated white copper, motor copper, scrap copper, tin, solder paste, scrap aluminum and stainless steel. Tungsten steel and so on. Recycling industrial equipment: waste cold storage equipment, air conditioning systems, cable batteries, motors, machine tools and various idle and overstocked production sources, recycling old machine tools, motors, gearboxes, electric hoists, woodworking machinery, food machinery, kitchen equipment, distribution boxes, transformers, chemical equipment, central air conditioners, elevators, boilers and refrigeration equipment, and shutting down all waste equipment in the factory. Recycling office equipment: computers, computer accessories, monitors, printers, fax machines, photocopiers. Recycling office furniture: office chairs, benches, filing cabinets, screens, sofas, coffee tables and other hotel equipment: smoke stoves, cold storage, freezers, fresh-keeping cabinets, disinfection cabinets and other recycling construction waste: recycling furniture such as construction waste, demolition waste, plumbing equipment, doors and windows. Inventory backlog of all waste furniture recycling in office buildings, hotels and commercial buildings: waste instruments and meters and other recycling network equipment, all kinds of scrap equipment, backlog materials: routers, industrial computers, baseband modems, network cabinets, power modules, ups, regulated power supplies, etc. To undertake the demolition of civil buildings, hotels, guesthouses, shopping malls, business buildings, office buildings and large factories.