China OCTG Drill Pipe manufacturer Orientsteel supplies API 5DP OCTG Drill Steel Pipe API SPEC 5DP, Grade E75, X95, G105, S135, for well drilling, 6.88- 12.7 mm.
ChinaOCTG Pup Joint manufacturer Orientsteel supplies API Spec 5CT OCTG Pup Joint API SPEC 5DP for for Tubing, Casing, Drill Pipe with Threaded Protector.
China EN 10255 S195T Tubing manufacturer Orientsteel provides Seamless Tubing made by S195T, 4 Inch, 6.55mm Wall Thickness, Plain Ends, EN 10255 Standard.