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Our highly efficient construction instruments have gained recognition from many users around the world and have earned a number of industry certificates.

Invention Patents

  • Vertical shaft drill
  • Tunnel boring machine

Utility Model Patents

  • Underground scaling car
  • Tunnel boring machine
  • Angle transducer
  • Mine car
  • Adjustable rod of rock drilling machine
  • Bolting machine
  • Retractable propeller of drilling machine
  • Water injecting device of hydraulic rock drilling machine
  • Accumulator of hydraulic rock drilling machine
  • Hydraulic vertical shaft drill
  • Mining drilling machine holder
  • Mining drilling machine
  • Clamping device
  • Rock drilling propelling device
  • Tunnel construction device beam
  • Retractable vertical shaft drill
  • Mining car
  • Drilling rig lifter
  • Double-layer propeller of the drilling rig

Management System Certificates
Our management system has fulfilled the requirements and standards of both national and international regulating bodies.

  • ISO14001
  • ISO9001
  • OHSAS18001.
  • Occupational Health and Safety Management System Certificate