... . Professional manufacturer 2. Sintered shock absorber part - rod guide, foot valve, piston 3. Steam treatment Product NamePowder Metallurgy Rod Guide for ... for shock absorber, including powder metallurgy piston, rod guide, foot valve, PTFE band for piston, Du bearing for rod guide. 5 ... !Mary Ye Sintered Parts for Shock Absorber - Rod guide, Foot valve, Piston