The use of hydraulic machines: 1.suppression;2.punch; 3.bending;4.Correction; 5.mounted pressure The Characteristis of 3000ton Hydraulic Press:² Computer optimized design,3-beam &4-column compact structure,with high performance cost ratio² Cartridge valve integrated unit equipped in hydraulic control system ,with high reliability,durability.Oil leakage is avoided by means of proper and minimum ...