1.Ensure good sound and vibration suppression of the door shock absorber 2.ISO9001:2008,PPAP 3 3.Anti-age More ... combined. Rubber-to-metal bonding to ensure good sound and vibration suppression.1.Applicable :CAR,BITELLI,HVDOC,COMPACTOR,BOMAG,SAKAI, ... BITELLIRAMMAX,DYNAPAC,STAVESTRO,etc2.ROSH certification 3.shock absorber rubber, anti-age4. Easy to install with threads ...