electronic precious metal tester

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  • Buy cheap Hot sale Synthetic diamond powder light yellow industrial singlecrystalline diamond powder product
    Synthetic diamond powder industrial singlecrystalline diamond powder Diamond micro-powder Synthetic diamond micro-powder is produced by crushing and shaping of synthetic single-crystal diamond grits with special techniques. PDM (premium grade of diamond ... more
    Brand Name:Henan Yalong
    Model Number:Synthetic diamond powder
    Place of Origin:Zhengzhou, China

    Hot sale Synthetic diamond powder light yellow industrial singlecrystalline diamond powder

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