... careful eye on each procedure. Item Name arm hydraulic lift platform Product description1)Material:carbon steel ... oil Hydraulic pressing machine , CNC welding machine,CNC machining center, CNC Laser cutting machine,CNC shearing Manufacture processingstamping ,deep drawing ... assembly,CNC Laser cutting,punching, folding and bending, CNC machining, drilling,powder coating,pressing part, polish,etc. arm ...