News
| OCTG Casing and Tubing Pipe | Dongfanglong | 2023-01-28 |
| Happy New Year from Eastlong | Dongfanglong | 2022-12-31 |
| OCTG - Pup Joint | Dongfanglong | 2022-11-29 |
| TUBING AND CASING COUPLING | Dongfanglong | 2022-10-27 |
| China's oil reserves reach 3.69 billion tons | Dongfanglong | 2022-09-27 |
| Digital transformation fuels energy industry | Dongfanglong | 2022-08-29 |
| Output of China's major shale gas field hits recor... | Dongfanglong | 2022-07-31 |
| In Shanxi, coal-bed methane gets a boost | Dongfanglong | 2022-06-29 |
| DFL 5CT 0837 CAN PROVIDE | Dongfanglong | 2022-05-30 |
| China's Daqing Oilfield output tops 10 million ton... | Dongfanglong | 2022-04-28 |
