... mainland of China, it supplies nearly all kinds of products made of tungsten carbide, e.g. drawing dies, seals, bars, rods, button, ... , blades, blocks and so on.Tungsten carbide bar is widely known as one kind of carbide cutting tools, it’s available for ... fine grades. - Anti-deformation and deflection. - BTM Group produces tungsten carbide rods with state-of-the-art technology including high precision ...