棕刚玉喷砂除锈磨料16目硬度高抛光用地坪打磨金刚砂

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Zhengzhou city environmental protection equipment ltd

Address:Zhengzhou city, henan province
Tel:15890643999

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15890643999

棕刚玉 喷砂除锈 磨料16目 硬度高 抛光用 地坪打磨金刚砂