The shutter door machine is used to make the shutter door slats for making the steel curving doors. the shutter door machine including below parts: the decoiler, the leveling, the roll forming machine and the receiving table. please check below new finished shutter door machine lines. there are single shutter door machine and double production line shutter door machines too. that is to say, you can design the machines in one table, and you can design the machines in double table, with other profiles together.