... hardness 3.high speed double 4.can keep balance The cable spool is manufactured according to the GB4004-83,JB/T8997.4 ... building. We are specialized and preponderant in the line of cable machinery, transformer machinery. we supply full line of machines from ... , wire drawing,enamelling to weaving, twisting, toWorkshop More product pictures cable wire factory used big or small size cable spool