材料：采用进口高分子工程合成料制造。(绝不单使用聚丙烯及聚乙烯材料)

　　特点：具有抗碰压、不变形、表面光滑、高耐磨、抗老化。

　　Material:Imported polymer engineering synthetic material manufacturing. (Never use polypropylene and polyethylene materials alone)

　　features: With anti-collision pressure, non-deformation, smooth surface, high wear resistance, anti-aging.