Conveyor belt material are: rubber, plastics, PVC, PU and other materials, frame materials are: carbon steel, stainless steel, aluminum.

输送带的材质有：橡胶、橡塑、PVC、PU等多种材质，机架材质有：碳钢、不锈钢、铝型材。

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According to the material stainless steel, carbon steel, aluminum as the main material of the valve.

根据材料有不锈钢、碳钢、铝合金为主体材料的阀门。

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The material is divided into: carbon steel, cast steel, alloy steel, stainless steel, copper, aluminum alloy.

以材质划分为：碳钢、铸钢、合金钢、不锈钢、铜、铝合金等。

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