... , e.g. drawing dies, seals, bars, rods, button, rings, blades, blocks and so on.Tungsten carbide bar is widely known as ... by using sub-micron and ultra-fine grades. - Anti-deformation and deflection. - BTM Group produces tungsten carbide rods with state-of- ... the-art technology including high precision automated presses, DORST extrusion equipment and ALD Sinter ...