Tel :+86-10-85189696
Fax :+86-10-85153552




The OCTG produces according to API 5CTand API SPEC 5B for it’s threadingWe also can produces according to various requirement from customers.

OD:8,3мм (1,9'') ~ 114,3мм (4 1/2'')

Stell GradeJ55, 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

Used for: 

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

Nowwe 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


 Heat-treating mill


Most advanced examine and test equipment are euiped.

 NDT equipment

Brinell hardness tester 



All productes complies API 5CT, we also get the Gost certificate,and get authority certificate of Russian Federal technology Bureu.



Address: Oriental Plaza 1 East Chang An Avenue,Dongcheng District, Beijing  Postal Code: 100738
Tel :+86-10-85189696 Fax :+86-10-85153552

Copyright: Haihua Industry Group, 2000-2010 
京 ICP 备 13007838 号Technical support interactive Divine