... 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 hydraulic ... stands of roll group, 4 group of stand roller,11 sets synchronization distribute gear box, ZQ650 reducer, 37kw stepless adjustable motor, ...