... rod guide, foot valve, piston 3. Steam treatment Product NameSinter Parts for Shock Absorber - Rod guide, Foot valve, Piston Raw MaterialsMPIF FC-0205Feature1 ... temp steam holding time, Thickness of Fe3O4: 0.004-0.005mm4. Full line products for shock absorber, including powder metallurgy piston, rod ... our best to cooperate with you!Mary Ye Sinter Parts for Shock Absorber - Rod guide, Foot valve, Piston