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2016ShanghaiGlassExhibition...
2015ZhengzhouSanmoExposition...
2015BeijingGlassShow...
2014RussiaHardwareExhibition...
2014GermanWireExhibition...
2014ShanghaiWireExposition...
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diamond,grindingwheel.
diamondmicropowder.
diamondpolishingpad.
diamondsawblade.
dieblanks.