... in bunching, stranding, cabling, extrusion and the armoring machine. It is manufactured according to the GB4004-83,JB/T7600-94,JB/T8137 ... compacted iron plate, and shaped with welding, also it pass the dynamical balance testing. With big hardness, light weight and can ... can fit for using in bunching, stranding, cabling, extrusion and the armoring machine. flat bobbin for high speed machine