... turning, milling, drilling, grinding, broaching, welding and assemblyDie Casting:forcing molten metal under high pressure ... Treatment:Quenching,High-frequency Hardening,Quenched and Tempered,Carburizing,Nitriding,Carbonitriding and so on.Materials Available: ... , nickel plating, chrome plating, yellow passivation, gold passivation, galvanizing, satin, etc.Package:suitable for sea and air transportation ...