... price 4.high quality and fast shipment Material :quality brass wireWire diameter: 0.30mm, 0.25mm, 0.20mmWeight/spool ... of copper wire, welding wire, brass and bronze line, excessive oil, iron and steel scrap and nonmetallic, crisp burnt line, ... Electrical, light industry, machinery, building industry, national defense industryCopper Scrap is industry a important sources of the raw materials All ...