good shelf High quality cold rolling steel Japanese Amada NC punch, Large ... :2004 1. raw material: high quality cold rolled steel, book shelf plate thickness is changeable , all thickness is provided, such as ... ,0.4mm , 0.5, 0.6, 0.7, 0.8, 0.9, 1.0 ,1.2 ,1.3 ... please feel free to contact me kindly. JN-35 goods shelf