... Machining: Turning, Milling, Boring, Grinding, Drilling and so on Die Casting: Is a metal casting process that is characterized ... Sinter parts, stainless steel part, mechanical components and so on. Cold Forming: Is a cold working process where the ... hardening, quenched and tempered, tempering,carburizing, itriding, carbonitriding and so on. Surface Treatment: Include plating of Ni, Cr3+, Zn-Ni, ...