... part - rod guide, foot valve, piston 3. Steam treatment Product NameSinter Parts for Shock Absorber - Rod guide, Foot valve, Piston Raw MaterialsMPIF FC ... , including powder metallurgy piston, rod guide, foot valve, PTFE band for piston, Du bearing for rod guide. 5. PPAP III is submitted accordingly ... our best to cooperate with you!Mary Ye Sinter Parts for Shock Absorber - Rod guide, Foot valve, Piston