... to produce zirconia ceramicproducts” to produce our ceramic knife blade.2. Light weight and efficient, you will not ... get tired after long-time usage.3. Thanks to our patent technology, our knife is ... surface looks nice.4. The inner structure of blade is compact and tight, so it can keep a ... sharpness can last for more than 3 years. Small notch seldom happen. 3",4",5",6",7" high quality ...