Steel Knife-Edge 钢质刀口
Specially hard and excellent steel knife together with unique craftwork to cut the name-card without raw edge.
采用高硬度优质钢材加工刀具，独特工艺处理，切名片不起毛边。
Repair, such as high-speed tool steel cutting planer tools, high temperature and punching moulds, stamping tools and cutting knife plate rolling and cutting tools under the mold cutting edge.
修复高速工具钢，如切削冲孔和刨工具，高温冲压工具和模具，剪切刀板轧钢和切削工具下模的切削刃口。
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