PRODUCTION TECHNOLOGY
Heating treatment
Hot straightener
Hydrostatic test
Parkerising
Coupling
Threading
Tube
Upsetting
MDT(ET,UT,thichness mesuring)
Threading
Thread inspection
Coupling make up
Drifting
Length-mesuring,
Weighting
油管和套管
Thread inspection
DNT(MT)
Marking
Coating
Bunding
Tubing ＆ Casing
