Drill selection is a key factor in achieving high productivity, and Grand Construction Machinery offers a full range of Tricone Rock Bits for drilling into ultra-hard rock in soft soils using mud motors or maneuverable jets.
Electrical Control Automatic Square Pipe Polishing Machine
SS NB Tube Making Machine
Focus is on OCTG (casing, tubing and drillpipe), but we also provide line pipe and specialty tubulars for refineries and high tech applications, are used for a variety of applications including oil and gas well drilling, extracting oil and gas.
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