 215.9mmPDC PDC bit |
2017-08-03 |
| Petroleum parts chain wheel |
2017-08-03 |
| 120 degrees elbow 4 * 70MPa |
2017-08-03 |
| 3 inch 1502 plug valve |
2017-08-03 |
| Valve seat of petroleum machinery |
2017-08-03 |
| Petroleum mechanical coupling |
2017-08-03 |
| Petroleum wheel chain |
2017-08-03 |
| Special fittings for mud pump |
2017-08-03 |
| 2 inch 70MPa needle valve |
2017-08-03 |
| High voltage Y type three way joint |
2017-08-03 |
