Monga m'modzi mwa otsogola a PDC Cutter For Mining Drill Bit opanga ndi ogulitsa ku China, tikukulandirani ndi manja awiri kuti mugule kapena kugulitsa PDC Cutter For Mining Drill Bit zomwe zili kuno kuchokera kufakitale yathu. Zogulitsa zonse ndi zapamwamba komanso mtengo wampikisano. Lumikizanani nafe zitsanzo zaulere.
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