1.Found in 1993 2.Complete Forging 3.Aboug 30 days lead time. 4.1500-2000 Hours guarantee 5.ISO9001:2008 1.Product Specification Material50MnQualityHeat-treated,HRC49-56,Depth 5-8mmColorYellow or BlackTechniqueForging/CastingFinishingSmoothCerificateISO9002MOQUnlimitedOur company has 20 years experience in manufacturing all kinds of excavator and bulldozer spare parts and hydraulic cylinder,We ...