... thread Machined by CNC and NC Machine Sand Casting Pump Inlet FlangeGrey IronChecked by Go&no go ... : ASTM, BF,BS, JIS, UNI, ANSI, ISO etc.We are able to supply the products as ... etc.2) Process: Investment Casting, Sand Casting (Resin Sand Casting, Green Sand Casting), Permanent Casting, Die Casting, Centrifugal Casting, Forging and Stamping etc.3 ... Standard: ASTM, BF,BS, JIS, UNI, ANSI, ISO etc.