Production method: Tape casting Blade Colors: white or black material: zirconium ceramic Special ... casting to produce zirconia ceramicproducts” to produce our ceramic knife blade.2. Light weight and efficient, you will not get ... the surface looks nice.4. The inner structure of blade is compact and tight, so it can keep a ... Small notch seldom happen. 3",4",5",6",7" high quality zirconia ceramic blade