All steel welded structure, vibrating treatment of ageing for removal of internal stress, with good rigidity and stability. Integrated hydraulic transmission system, with good reliability. Triple support rolling guide rail to eliminate gaps of support and enhance shearing quality. Mechanical rear stopper with manual fine tuning, and digital indication. Clearance in between shearing blades adjusted by hand wheel to be quick, accuate and convenient. Rectangular blades with four cutting edges to prolong working life, adjustable shearing angle to reduce deformation of the sheet. Upper blade holder has in ward tiling structure to facilitate material feed in and also enhance accuracy of the work piece. Function of shearing in sections, function of aligning with light. Optional: Rear material holding device(or for other chioce)