力士达牌不锈钢水泵叶轮、导流体采用PC（聚碳材料）及俗称“赛钢”的聚甲醛高分子耐磨材料，进行冲压、成型制造而成，抗磨性强、不氧化、特别耐用，并具有不生锈、不污染的特点。

lishida impeller and diffuser adopt the macromolecule wear-resistance materials, and made by pressing and molding, they are high wear-resistance, with long life, and also cannot oxidize, rust or pollute.