... 3. Steam treatment Product NameSinter Parts for Shock Absorber - Rod guide, Foot valve, Piston Raw MaterialsMPIF FC-0205Feature1. Density ... Full line products for shock absorber, including powder metallurgy piston, rod guide, foot valve, PTFE band for piston, Du bearing ... tooling making: EDM, wire cutting machine7. Strength in machining: Machine center, CNC milling, CNC lathe, Two end lapper etc. ...