Sand casting iron valve parts 1) ... : 0.05 - 5000kg.4.Moulding Process: green sand casting,resin bonded casting, , compression casting, investment casting ... complete machining such as Machining center, CNC, Lathe, Milling machine,drilling etc. Surface treatment: painting, polishing, heat treatment, ... such as Machining center, CNC, Lathe, Milling machine,drilling etc. Size and designAs per the customer' ...