... using in bunching, stranding, cabling, extrusion and the armoring machine. It is manufactured according to the GB4004-83,JB/T7600 ... JB/T8137.1-3-1999, it is made with enhanced type punched and compacted iron plate, and shaped with welding, ... balance under high speed rotation; it can fit for using in bunching, stranding, cabling, extrusion and the armoring machine. flat bobbin for high speed machine