... four-column hydraulic press,hydraulic pressing machine,for various pressing,stretching,forming,punching purpose Hydraulic Press,four-column ... hydraulic press,hydraulic pressing machine,for various pressing,stretching,forming,punching purpose.Features: 1) Frame type ... type, C shape single arm type2) For various purposes: stretching, bending, flanging, cool extruding, pressing3) 400kN - ...