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Section Coal Mill Casing

ProMILL Duo improves Section Milling efficiency significantly by eliminating the expensive operation of milling the entire inner string from the surface The tool drifts through the inner casing, and has high expansion ratio needed to mill the outer casing string exposing the formation and thus providing a rock to rock barrier permanent barrier

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  • 40-Year Qualified Brand

    Founded in the 1970s, it has a history of more than 40 years.

  • 350,000 Ping Workshop

    covering an area of 350,000 square meters

  • 160 Countries

    production and sales in more than 160 countries