China cementing in drilling

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  Yellow 1794mm Height 620mm Dia Casing Drilling System

  Ф（mm）:620/540

  d(mm):70

  B(mm):848

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  540mm Diameter 586mm Height Casing Drilling System

  D(mm):620

  d(mm):540

  H（mm）:586

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  Follow Up 620mm Diameter H350mm Casing Drilling System

  D1/D2（mm）:620/540

  H（mm）:350

  b(mm):40

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  White Customized Casing Joints For Boulder

  Application soil::hard rock, bedrock, boulder

  Place of Origin::Tianjin, China (Mainland)

  Color::yellow as usual, can be painted according to customer requirements

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