Double cylinders control ram working Mechanical torsion synchronization Electric stroke adjustment ACL special-purpose digital display device Imported or Chinese famous brand hydraulic system Key electric parts from Europe High efficiency rotary encoder T screw and light pole control back gauge working Oil seals from outside Upper titled crowning compensation mechanism for 40T-80T (special-purpose) Hydraulic working table cylinder crowning for 100T-320T Standard upper and lower dies Standard front support sheet frame