This machine is the general equipment used for bending plates. Prebending and bending can be completed on the machine without reversing end for end. Plates can be bended to be tubular, arc or even cone-shaped work pieces with supplemental device. Therefore, this kind machine can be widely used in such industries as war industry, source of energy, traffic, petrol, chemical industries, boiler, shipbuilding, hydraulic power, metallic structure, etc... 4 roller hydraulic rolling machine

