... Film, Foil & Paper Slitting Industry razor, made of primary tungsten carbide,super sharp and long life time, ... Double or single blade edge.Xiamen Poko Precision Die of Wolfram Steel Tool Co., Ltd is another subsidiary company of POKO Group besides Xiamen Trueman Jewelry. Focus on ... ,industrial razor), water flow meter shaft, wire drawing die, cutting wheel(ceramic, glass cutting), and other precise ...