Hydraulic oil temperature controlling and automatically pressure feeding system. Function: pipe notching, plate punching, angle bar and I bar punching, Angle bar shear.round bar shear, square bar shear, I bar and channel bar shear, angle bar notching.angle bar Vee-notching, angle bar miter shear, flat bar shear.bilaeral rounding off, rounding off corners, radius corners.angle bar bending, press ...