... manufacturer 2. Powder metal part for shock absorber - Rod guide 4. Very competitive price Product NamePowder metal part for shock ... products for shock absorber, including powder metallurgy piston, rod guide, foot valve, PTFE band for piston, Du bearing for ... Ultrasonic clearing and auto deburring6. In-house tooling making: EDM, wire cutting machine7. Strength in machining: Machine center, CNC milling, ...