... : Sand casting+CNC machining +surface treatment 2.Material: Bronze, Copper,Brass3.weight:around 0.01kg-10kg4.Material available:Stainless steel ... steel, carbon steel, ductile iron, grey iron, alloy steel, aluminium, copper, bronze,brass, etc5.Application:Valve parts6:Workcraft :Precision casting, sandcasting ... workshopinspection lab Bronze casting applied for Valve parts selling good in Australia