... time. 4.1500-2000 Hours guarantee 5.ISO9001:2008 1.Product Specification Material50MnQualityHeat- ... treated,HRC49-56,Depth 5-8mmColorYellow or BlackTechniqueForging/CastingFinishingSmoothCerificateISO9002MOQUnlimitedWe can supply ... -5/6,PC100-5,PC200-3/5,PC300-1/2/3/5,PC300-3/5R200/220-5, ... EX03,EX120,EX200-1/2/3/5,EX300-1/2/3DH220-5 ...