... ,never wore,always sharp Fashion and easy clean Zirconia, the row material of Ceramic Knife, stable performance, not easy to change, ... bowls better than stainless steel bowls. At the same time, Ceramic knives will not have oxidation reaction or rust, it is ... knife is high hardness. Steel knives’ hardness is Vickers HV700, ceramic knives HV1100. Therefore, because of high hardness, wear-resisting; wear ...