1.Forged drum shaft 2.vacuum degassed, forged, heat treated, finish machined. 3.weight:< ... ,length:<12m 1.weigth:<60ton2.DIA:<4m,Length:<12m 3.shaft rotor4.Carban steel,alloy steel ,stainless steel We Shanghai ZENT ... products of our company ranges over Automotive accessories, Construction machinary, Marine machinary, Electric equipment, Petro-Chemical, Hydrautic machinery, and Mining machinery ...