1. Professional manufacturer 2. Sinter shock absorber part - rod guide, foot valve, piston 3. Steam ... , 140T2. Hydraulic Press: 100T, 315T, 600T, 800T3. Six sinter furnaces, including one harden Sinter Furnace4. Heat treatment: Carbonitriding quenching and high frequency quenching5 ... will do our best to cooperate with you!Mary Ye Sinter Parts for Shock Absorber - Rod guide, Foot valve, Piston ...