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  • Grit

    日期:2017/07/20   点击:178

    Item name: cast iron sand Product types: G10, G12, G14, G16, G18, G25, G40, G50, G80, G120 Song Wan sand casting production standards huaigang: In strict accordance with the national standard GB/T18838.3 - 2008 high carbon steel shot and gr...

  • Cast Steel Grit

    日期:2017/07/20   点击:168

    Item name: cast iron sand Product types: G10, G12, G14, G16, G18, G25, G40, G50, G80, G120 Song Wan sand casting production standards huaigang: In strict accordance with the national standard GB/T18838.3 - 2008 high carbon steel shot and gr...

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