... 3EN10228.1 JB/T 4730-2005Finished dimensionIn accordance with client’s requirementsZinc spraying packageAbrasive blasting,Zinc spraying,Antirust oil ,Protecting packageProduct ... steel main shaftMterial : carbon steel ,Process: forgedpackage: according to customers's requirements ,as usual,in vacuum wooden casesSupply ability: Forging is ...