... of this guard rail line includes: uncoiler, leveling and adjustable roller, nine roller leveling system, 250T Specification of the ... of this guard rail line includes: uncoiler, leveling and adjustable roller, nine roller leveling system, 250T four post ... sets synchronization distribute gear box, ZQ650 reducer, 37kw stepless adjustable motor, 6m finished product support table, control box, as for ...