... showed are Bronze casting:1.process: Sand casting+CNC machining +surface treatment 2.Material: Bronze, Copper,Brass3 ... alloy steel, aluminium, copper, bronze,brass, etc5.Application:Valve parts6:Workcraft :Precision casting, sandcasting, investment casting,forging,CNC ... relatedfactory overviewmachining workshopcasting workshopinspection lab Bronze casting applied for Valve parts selling good in ...