... alloy steel, aluminium, copper, bronze,brass, etc5.Application:Valve parts6:Workcraft :Precision casting, sandcasting, investment casting,forging,CNC ... stamping5, The material available :iron, stainless steel,aluminum,brass…6, Casting process:sand casting ,investment casting,die casting ,stamping. ... workshopinspection lab Bronze casting applied for Valve parts selling good in Australia