1)15 year's experience in drill bit 2)certificate:ISO9001:2000 3)delivery in time 4)long life time 5) MOQ:1 piece Quick DetailsPlace of Origin: Hebei China (Mainland)Brand Name: BaoxingModel Number: HJ537GType: Center Drill BitMaterial: Tungsten CarbideUse: Well Drillingmaterial: tungsten carbidesize: 215.9mmcertificate: ISO9001:2000MOQ: 1 piecedelivery: within 7 dayspacking: wooden case or ...
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