... steel Machining process:milling,lathing,routing,refining stainless steel valve part ,1)ISO9001:2008 certification.2)Over 16 ... milling,lathing,routing,refining ,etc Item Name stainless steel valve part Product description1)Material:304/316 stainless steel or ... machine, punching machine,oil Hydraulic pressing machine , CNC welding machine,CNC machining center, CNC Laser cutting machine,CNC ...