... 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 have standard size for ... Xiamen Trueman Jewelry. Focus on manufacturing tungsten carbide industrial tools. Blade(plotter blade, wire stripping ...