... are widely end usage in cold-extrusion or deeply-drawing for Cosmetic packing -tube (lipstick tube,,,,,,,,,pharmaceutical tubes,collapsible tubes ... widely end usage in cold-extrusion or deeply-drawing for making electric rice cookers, non-stick pans/pots, ... report ------------>very aluminum-slug have process: annealing and tumble,for the suface.Remark The Aluminum Circle for the size according to the ...