... hold up and distribute cables, cable tray roll forming machine is special designed for its production n Technical ... Such as welding, gas cutting edge, etc.)c) . Test piece specification: C type steel 600*50*1.5, thickness: 1 ... is ± 3 °. And the rest is ± 1.5 °.c). the camber, raise, side bend, torsion resistance of sheet ... do not hesitate to contact us . Trough Type Cable Tray Roll Forming Machine