1 T-Joint Valve Body 2 Material: iron steel cast 3 OEM Service 4 ISO9001 ... Sand, Sodium Silicate Sand, Resin SandMin Tolerance0.05mmMachineLathe, CNC, Drilling Machine, Milling Machine, Boring Machine, Planing MachineWeight Rang0.1-6000kgSurface TreatmentPainting, Spraying, Galvanization