Seashell Drill Bit--HNHONGXIANG

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Seashell Drill Bit ShelldiamonddrillbitismadeofPremiummetalpowderandself-producedsyntheticdiamondgrits,sinteredinhightemperatureandhighpressure.Diamondcanbefirmlyfixedonthematrix,... 2017-8-31 16:38:01
Keywords：Seashell Drill Bit,Drill Bit

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Seashell Drill Bit