Forging part,Auto part 1,ISO/TS16949Certificate 2,Excellent performance 3,High ... include all kinds of drive shaft assembly for Medium & heavy duty truck and its accessories such as steering yoke, ... other machining processingForging ProcessHammer Forging,Pressure Forging,Dropped ForgingForging MaterialHigh Strength Alloy Steel,Alloy Steel40CrNiMo,34CrNiMo,42CrMo,35CrMoCarbon Steel:S45#,S35#,S20# ...