Die industry - sand paper circle, electric or Fengdonggongju and other senior grinding material.

模具工业 - 沙纸圈 、 电动或风动工具及其他高级研磨材料.

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ExhibIt'sand belt sand paper abrasive product , diamond sand wheel , Pitch cutting, Black lead cloth, etc.

展品:带、纸其异型品,石墨布 、 、瓷轮、割片 、 刚石轮等.

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