It employs the four-column and double oil cylinders(drive from TOWN to TOP) driving ... , with simple, prompt and accurate operation.2) It employs the four-column and double oil cylinders(drive from TOWN to TOP) driving ... YOUR ORDER,FOR EXAMPLE,THE CUTTING FORCE,CUTTING AREA,FEEDING DEVICE,SPECIAL STROKE ETC. 250T Downward Hydraulic Four-column Plane Cutting Machine