... 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 ... shearingManufacture processingstamping ,deep drawing,spot or seam welding,,metal assembly,CNC Laser cutting,punching, folding and bending, CNC ...