... lathing,routing,refining ,etc Item Name stainless steel valve part Product description1)Material:304/316 stainless steel or according to ... Stamping machine, CNC bending machine, punching machine,oil Hydraulic pressing machine , CNC welding machine,CNC machining center, CNC Laser ... , folding and bending, CNC machining,drilling,powder coating,pressing part,polish,etc. wedge disc for Knife gate valve ...