... steel,etc 2.Good quality and competitive price 3.Timely delivery 4.Factory based 1. Material: Alloy Steel & High Manganese ... requirement5. Test: UT & MT tested6. Melting process: EAF+LF+VD7. Delivery time: according to the order8.Certificates: ISO9000, ISO14001 ,CCS,GL,BV ... impeller, wind power spindle, heavy load gear, ship shaft, roller, tube-shaped forging, ring forging, and all kinds of abnormal ...