选用进口耐磨材料和多元特殊硬化处理工艺，  光滑耐磨。表面光洁硬度强，润滑性能好，使用寿命长，减少毛羽，断头率，提高成纱质量。

  Choose high-quality imported wear-resistant materials and multicomponent special hardening treatment process, smooth wear-resistant. Strong surfacehardness, good lubricating performance, long service life, reduce hairiness,head rate, improve yarn quality.