China API 5CT K55 Tube Coupling Manufacturer Supplies API Spec 5CT Grade K55 Tubing and Casing Coupling, Hot Rolled, Size 4-1/2 Inch, Painting Surface.
China API Spec 5CT J55 Casing Tubing Supplier Provides API Spec 5CT J55 Oil Casing Tubing, Hot Rolled, 3-1/2 Inch EUE, Painting, for Oil Well Drilling.
China API 5CT K55 PSL1 OCTG Casing Manufacturer Derbo Provides API 5CT K55 PSL1 OCTG Casing, Hot Rolled, 508MM X 11.13MM, Painting, Gas Transportation.
China API 5CT C95 Casing Pipes Manufacturer Derbo Offers API 5CT C95 Casing Pipes, Hot Rolled, 13 3/8 Inch, 72Lb/Ft, R2, STC, Black Painting Treatment.