... -6000kgSurface TreatmentPainting, Spraying, Galvanization Casting part for Elbow Materialductile iron/grey iron/malleable iron/aluminum/copperSurface treatmentshot-blast/deburr/anti-rust/polishing/painting ... , casting steel, casting forging, master mold, machine forging, forgings, casting iron, stainless steel, forging product, pigeon forge, die forging, casting steel ...