... adopted Japan hydraulic. 2, structure and main parts 2-1 upper rolls lift device It driven by double cylinders, main cylinder working ... in dissymmetry form.2-3 tuning device composed of one hydraulic cylinder, the joint pole drive the bearing seat of side rolls ... before delivery.9, supply range 9-1, main machine9-2,hydraulic device9-3,electricity device9-4,technical documents include operation manual ...