Bowe broadway to meet the needs of the market, the company developed an environmentally-friendly, external package metal solder, core filled with new flux-cored welding powder, the wire easy to operate, not subject to added flux, no corrosion, weld strength, weld appearance, no follow-up treatment, a copper and aluminum brazing wire, aluminum and aluminum brazing wire, two major categories, a variety of specifications to choose a refrigerator refrigeration and air conditioning, motors, transformers and other industries to achieve the ideal welding of aluminum on behalf of the copper material.