... , alloy steel, aluminium, copper, bronze,brass, etc5.Application:Valve parts6:Workcraft :Precision casting, sandcasting, investment casting,forging,CNC machining7 ... raw casting(2)Hardness checking after heat treatment(3)Dimensions testing after maching(4)drawings→mould making→raw casting ... workshopcasting workshopinspection lab Bronze casting applied for Valve parts selling good in Australia