... ISO,CCS,TUV,AD2000,LR,ABS,DNV certification open die forging1,Type: Different forgings with customers' design2 ... 2000 tons of oil hydraulic press , 3800NC ring-rolling mill and nondestructive inspection equipment as well as ... turbine shafts , ship shafts , heavy gears , flanges , ring pieces , all kinds of forging parts etc . if you ... any question , please contact me . Thank you . open die forging ring