We are professional manufacture ofroll forming machine,sandwich panle production line.We produce many kinds of roll forming machine,wall panel forming machine, roof panle forming machine, C perlin forming machine, perlin forming machine, door formingmachine, bending machinery, EPS panel line, rockwool panel line, pu discontinuous panel line.guard rail roll forming machine guard rail forming machine guard rail forming machine expressway guard rail forming machineWe warmly welcome your inquiry detail technic information and parameterfrom us !the main structure and composition Guard rail machine is consist of 3T manual for the gear, and leveling system device, two former punch unit, forming roller and host (contains oriented platform), formed after the cutting device, a computer control box, the finished product support materials. we also can do a custom-made roll forming machine, i.e. We can design the machine according to your specification and profile drawing. more details , please contact us without hesitationShanghai Nuo Fei Electrical Machinery co.,ltd. Ms. Cindy