China OCTG Drill Pipe manufacturer PipesTec supplies API 5DP OCTG Drill Steel Pipe API SPEC 5DP, Grade E75, X95, G105, S135, for well drilling, 6.88- 12.7 mm.
China OCTG Pup Joint manufacturer PipesTec supplies API Spec 5CT OCTG Pup Joint API SPEC 5DP for for Tubing, Casing, Drill Pipe with Threaded Protector.
OCTG Coupling manufacturer PipesTec supplies API SPEC 5CT OCTG Tubing Coupling, Casing Coupling, Drill Pipe Coupling, Grade J55, K55, N80, L80, C95, P110.