1 Companion Flange-Drivelines Yokes Part Number:Drivelines-Companion FlangeMaterial:Steel 45#, 40Cr,20CrMnTi ect.Process:Forging or Casting Machining Dynamic BalanceSurface Finish:Heat treatment; rust preventionApplication:Trucks,Tracots,Light and heavy Vehicles or Agricultural Machineries Attachment Inquiry