Why third party inspection (TPI) is required?
September 27, 2018
Third Party Inspection Agency in China
October 22, 2018
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An Core OCTG & Pipe Lines inspection service

Tubing / Casing / Drill Pipe / Drill Collar / Kelly / Seamless Pipe / Spiral Submerged Arc Welded Pipe (SSAW Pipe) / Longitudinal Submerged Arc Welded Pipe (LSAW Pipe)
HF Resistance Welded Pipe (HFW Pipe)