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2017ZhengzhouSanMillExhibition...
2015ZhengzhouSanmoExposition...
2015BeijingGlassShow...
2014ShanghaiGlassExhibition...
2013SanMillExhibitioninZhengzhou...
2013Beijingglassexhibition...
2013ShanghaiCableShow...
ZhechengHongxiangSuperhardMaterialCo.,Ltd.
2009ShanghaiExhibition.
chamferingmillingandgrindingtools.
diamondcupwheel.
diamonddrillbit.