... Machined by CNC Controlled by CMM Machine NDT test Tube Plate for heat ExchangerStainless materialMachined from steel plate or forging partMachined by CNCControlled by ... , Grey Iron, Copper, Aluminum Bronze, Malleable Iron etc.2) Process: Investment Casting, Sand Casting (Resin Sand Casting, Green Sand Casting), Permanent Casting, Die Casting, Centrifugal Casting etc.3 ...