Shaanxi Hainaisen Petroleum Technology Co.,Ltd
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  • API ISO9001 Drag Drill Bit 6

    Contact NowAPI ISO9001 Drag Drill Bit 6" Diamond Drill Bits ManufacturersWith professional and productive factory, HAINAISEN is one of the leading China three blades pdc drill bit manufacturers. Welcome to wholesale three blades pdc drill bit from us, we always have cheap products to offer you. Quick Details: Name: High-strength horizontal sintering drill bits Type:...Read More2016-04-23

  • API Blade Drilling Drag Bit Blade Drill Bit For Oilfield Drilling

    Contact NowAPI Blade Drilling Drag Bit Blade Drill Bit For Oilfield DrillingWith professional and productive factory, HAINAISEN is one of the leading China three blades pdc drill bit manufacturers. Welcome to wholesale three blades pdc drill bit from us, we always have cheap products to offer you. Quick Details: Name: High-strength horizontal sintering drill bits Type:...Read More2016-04-23

  • Button Bit

    Contact NowButton BitWith professional and productive factory, HAINAISEN is one of the leading China button bit manufacturers. Welcome to wholesale button bit from us, we always have cheap products to offer you. down hole button bit Specification: Button bit-face design: Flat face, drop centre, tungsten carbide...Read More2015-08-26

  • DTH Hammer & DTH Hammer Bit

    Contact NowDTH Hammer & DTH Hammer BitWith professional and productive factory, HAINAISEN is one of the leading China dth hammer & dth hammer bit manufacturers. Welcome to wholesale dth hammer & dth hammer bit from us, we always have cheap products to offer you. concave face DTH hammer bit applied for all kinds of rock formation,...Read More2015-08-26

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