... shaft coupling 2.N+T+Q (heat treatment) 3.ISO9000,GL,BV,ABS Application: heavy industry Commodity Name:forged shaft couplingDescription ... forging workpiecesStandards: ASTM, ASME, DIN, SIS ,GB, EURONORMCertification: ISO9001: 2000 ,GL Materials: Carbon, stainless steel ,alloy steel,etcDelivery Status: N + T ...