Partners
![]() |
China State Shipbuilding Company (CSSC) |
![]() |
Kerui Petroleum Equipment Co. Ltd. (Kerui) |
![]() |
Liaoyang Steel & Tube Co. Ltd. (LSTC) |
![]() |
Tamkar Gas Equipment Company (Tamkar) |
![]() |
Strata Oilfields Services Company (Strata) |
![]() |
DRG OIL Company Ltd. |
