The high-toughness center wired spiral directional drill pipe features a monolithic design with spiral grooves and threaded connectors, offering excellent sealing, high strength, and efficient signal transmission for precise directional drilling in coal mines.

The high-toughness center cable-through MWD drill pipe enables real-time signal transmission for directional drilling, featuring high strength, excellent sealing, and large-pitch threads, suitable for coal mines and engineering boreholes.

The square-shaped spiral center cable-through drill pipe integrates internal cable passage, helical grooves, and threaded connectors, offering enhanced strength, wear resistance, and efficient coupling for directional drilling in coal mines

The high-toughness triangular helical groove center cable-through drill pipe features integrated design, reduced resistance, debris-crushing grooves, excellent sealing, and large-pitch threads, ideal for directional drilling in coal mines and tunnel engineering.