... ,Brass 2)Heat Treatment:Quenching,Tempering Precision casting,Investment casting,Lost Wax Casting part Precision casting,Investment casting,Lost Wax Casting part1) Molding process: Chinese Loss wax ... , Brass, Gray iron, Aluminum, Ductile Iron3) Molding: Hand made,Wax (suspension) line 4) Possible Heat Treatment: Normalizing ,Annealing, Quenching, Tempering ,Solution ...