With special raw material (raw rubber bearing) and small friction coefficient; electricity -saving.
含特殊原料原橡胶轴承，摩擦系数小，更省电。
Its advantages include saving raw material, high quality of product and no environmental pollution.
本发明节约原料，质量符合标准，无三废污染。
Its advantages include saving raw material, high quality of product and no environmental pollution.
本发明节约原料，质量符合标准，无三废污染。
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