... Plastic injection mold. China fast Sheet Metal Fabrication ,CNC Aluminum parts,Aluminum parts with silver plate,Rapid prototype. ... silver plate, sheet metal part, stamping part, casting part, welding and assembly. Description Material:Aluminum .Copper, Cast iron, ... Ductile iron, Carbon steel, Al alloy, Copper alloy etc. Machining: CNC, lathes, milling, drilling, grinding, turning, wire-cutting, boring, ...