... , gas turbineStandards:ASTM, ASME, DIN, SIS ,GB, EURONORMCertification:ISO9001: 2000Materials:Carbon, stainless steel ,alloy steel,etcDelivery Status:N + T+Q (Normalizing ... forged shaft, impeller,gear, ring, rotor,roll,cylinder,rudder stock,block etc...Welcome customer all around the world to visit our factory ...