We are professional supplier from China, with specialized experience in aluminum industry for many years. Oval Aluminium Extrusion, Aluminium Billet, Rectangular Aluminum Extrusions, Billet Extruding Line,Anodizing Dye Suppliers. Foshan zhelu trading co., ltd. Aluminum casting and extrusion solution provider, not only the products needed in casing or extrusion, but the service or scheme to improve the working process, making it more effective and steadily. The product will supply to all over the world, such as Europe, America, Australia,New York, Israel,Croatia, Macedonia.Under the action of pressure, the heated aluminum rod is divided into several metal flows, enters the welding chamber through the shunt hole, collects in the welding chamber, and is welded again in the environment of high temperature, high pressure and high vacuum, and finally flows out through the gap between the mold core and the die hole, so as to form a pipe or hollow aluminum profile that meets the size and performance requirements, as an aluminum door and window profile or industrial aluminum profile. If bending is required, a bending tool is added to the rear device.