... Computer optimization of structural design; with three-beam four-column structure, simple, economic, and practical.Hydraulic control system adopts ... long service life, small hydraulic impact and less link pipes and leakage pointsAdopts stand-alone electrical control system, with ... -127020003501003002000*2000YJ32-400040000180010001004-107520003501003002500*2500 YJ32 four column hydraulic press