... :2008 Features:1,Adopt the steel welded frame with high rigidity which is the most popular style ... working conditions.6,Ram is square six side guide rail, high rigidity and precision, air ressure balance device ... working precision.7,Crank, transmission shaft, gear, guide rail have heat treatmentmachining, it is long life working and ... HCP Series C Frame Mechanical Power Press with Hydraulic Overload