... ISO,CCS,TUV,AD2000,LR,ABS,DNV certification open die forging1,Type: Different forgings with customers' design2,Features:3,Standards: ... world10,We are JiangYin ZENKUNG heavy forging company of jiangsu province of China .11,Below is our company simple presentation ... . 13,We have been produced many various of excellent forging parts for different industry like wind turbine shafts , ship shafts ...