Wire drawing die,nib PCD, CD, ND or tungsten carbide,standard size for copper, steel, Al, carbon wire drawing. 1. ... We supply with PCD, CD, ND and tungsten carbide drawing die with polish surface and steady performance. 2.We ... POKO Group besides Xiamen Trueman Jewelry. Focus on manufacturing tungsten carbide industrial tools. Blade(plotter blade, wire stripping blade), water flow ...