... Photo-electric protection device Y33-500 Four-column Uplifting Hydraulic Press Machinery With Spare Parts1.Application: Suitable for forming the products ... electrical appliance,watch strap.abrasion wheel,plastic rubber,embossing,molding machine and other industries. 2.Function:A.Stable pressure,high speed ... custom made separately Y33-500 Four-column Uplifting Hydraulic Press Machinery With Spare Parts