Foshan Zhelu not only provides sales services, but also helps companies in aluminum industry to solve all the problems. Welcome enquiries. Extrusion Tractor Machine, Screw Compressor, Graham Personnel Services Drug Test, Aluminum Plate Cutting,Design Of Furnace. Additives required for the casting process: The product will supply to all over the world, such as Europe, America, Australia,Washington, Honduras,Auckland, Ireland.Aluminum extrusion molding (or aluminum extrusion) is a plastic working method that applies strong pressure to the aluminum billet placed in the mold cavity (or extrusion cylinder), forcing the aluminum billet to produce directional plastic deformation and extrude from the die hole of the extrusion mold, so as to obtain the required cross-sectional shape, size and certain mechanical properties of the parts or semi-finished products.