Use sub micro grain (0.5-0.7μm) tungsten carbide raw material, sintering in the vacuum state, we guarantee the high durability and high flexural strength. With more than 26 procedure machining and finishing, smooth mirror surface, 2 times professional finishing processing on the cutting edge makes our knife worth the value. Fengke struggle to be the No.1 producer of tungsten carbide reversible knife in China.