... Material:Steel,SS,Brass 2)Heat Treatment:Quenching,Tempering Precision casting,Investment casting,Lost Wax Casting part Precision casting,Investment ... casting2) Material: Carbon steel, Alloy steel, Stainless steel, Brass, Gray iron, Aluminum, Ductile Iron3) Molding: Hand made ... fittings...9) Manufacturer certification: ISO9001 (2000) / TS16949 Precision casting,Investment casting,Lost Wax Casting ...