locker cold rolled steel Japanese amada NC punch environment protect good ... ISO14001:2004 1. raw material: high quality cold rolled steel, book shelf plate thickness is changeable , all thickness is ... .9, 1.0 ,1.2 ,1.3 1.4 mm,....we could design and ,amufacture as your requirement ... test 5.resemble graining : with adpoting advanced technique, steel finished with a stately look reminiscent of an earlier ...