1.Strong wooden pallets for track bush 2.Customer's Designs and Logos are Welcome 3.Techonology:forging 4.Material:40Cr 1.Cracking-resistanceFor bush,after thermal refining,then do surface treatment,to guarantee the reasonable inside hardness and outside resistance.2.WearlessnessFor pin,after thermal refining,then do surface treament,to assure the enough inside hardness and outside wearlessness.3 ...