The OCTG produces according to API 5CT，and API SPEC 5B for it’s threading。We also can produces according to various requirement from customers.
OD:8,3мм (1,9'') ~ 114,3мм (4 1/2'')
Stell Grade：J55, K55, N80-1, N80-Q, L80, C90, P110
l API Spec 5CT standard products.
l End ex-upset
l Premium Connections
l H2S Corrosion Resistant Tubing
l Extreme-line Tubing
l For general usage in common wells
l For well intervention
l For fracture operation
All products examined by NDT, according to API Spect 5CT, And pipe body is painted by corrosion resistant coating
Equipment and QC
Now，we own 3 hot Rolling pipe mills, 1 cold rolling pipe mills, 3 arc furnaces and facilities, Now the total equipments amouts to 5500 set, with 150 sets are imported。
Mainly euipments are equiped internationally and domestic advanced level
Most advanced examine and test equipment are euiped.
Brinell hardness tester
All productes complies API 5CT, we also get the Gost certificate,and get authority certificate of Russian Federal technology Bureu.