Aluminum coil Kaiping is out of arc plate, what\'s the matter?Aluminum coil Kaiping need to use \"stretch bending straightening machine\" to do leveling, before they can be leveledAluminum coil Kaiping need to use \"stretch bending straightening machine\" to do leveling, before they can be leveledAluminum coil Kaiping need to use \"stretch bending straightening machine\" to do leveling, before they can be leveledOther related question