... series hydraulic press(bending machine) are used for assembling,dismantling, alignment, calendaring, tension, bending HPB SERIES BENDING MACHINE .The machine supplied oil by ... increased to 2-3 times. It takes theadvantages of small volume, high pressure, simple structure and light ... could do up-down movement, so made the machine easy operation.TECHNICAL SPECIFICATION MODELHPB-30ZHPB-50ZHPB-63HPB ...