... , cold punching, automatic stack, industrial automatic control system and precision machining technology, which make the full ... system, leveling system, edge cutting system, head cutting system, punching system, roll forming system, post cutting system, automatic stacking system, hydraulic system and automatic control system. ... Variable 20-25m/min 5 Dimension (L× W× H, m): 23× 7× 1.5 6 Roller Material ...