... ,Heathly,Hygince & Anti-Corrosion; 3,Certificate:SGS,FDA,LFGB,ISO. ceramic knife with Titanium coated, best gift choices for Christmas, Mother ... sizeμm<0.6Thermal conductivityW/(m .k)3.0Features: Our ceramic knives are made of ZrO2, the hardness would close to ... . Never rusts and will not taint food with metallic taste.Factory Advantages: High Quality Products with relevant Test Repots provided, Best ...