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2018 guilin autumn national abrasive and abrasive tool industry communication meeting
Industry news -- abrasive tools for grinding escort
Novel coronavirus cases in Wisconsin climbed to 16，462， while the death toll reached 539， following a record number of new cases and new deaths recorded on Wednesday.
New Norton Winter Ironclad™ Superabrasive Foundry Wheels
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With manufacturing slowing down, Trump ratchets up trade wars
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- GIA introduces a testing system to distinguish between cultured and natural diamonds
- Japanese machine tool orders fell sharply by 52% in May
- US Department of Transportation: Starting June 16, all Chinese passenger flights to and from the United States will be suspended