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  • ISO9001 Quality Management System Certificate
  • IS09001-2008 Quality Management Certificate
  • Certificate for API - 5DP Oil Drill Pipe
  • ARNCO certificate for hardbanding product

a. A Long-Lasting Wireless Replacement Probe Device for Wired Probes
b. Double-Wall Horizontal Directional Drill Bits
c. Time-Sharing Driving Method for the Power Output of Drilling Rig
d. Spectral Type Directional Rock Drilling Bit