... a manual sharpening rod or triangle that you use for steel knives, as it may chip the blade and ruin ... 10Nnmber of workers300~500Production experience12 yearsMain productsDamascus knife, stainless steel knife, non-stick knife, ceramic knife, kitchen toolsYangjiang Honghee ... Ceramic knife. There are various materials for you choose from, such as the handles, stainless steel, silicon, pakka, POM, ABS, ...