宁波HAP72超硬材料,圆钢/板材
SUJ2圆钢,SUJ2小圆钢..
宁波HAP72超硬材料,圆钢..
SCM415材料,SCM41..
SCM435材料,东莞SCM..
宁波SKD61圆钢,SKD6..
HAP40粉末高速圆钢1.0mm