 Three cone bit 6 152mm |
2017-08-03 |
| Drilling bit 215.9-660mm |
2017-08-03 |
| Three cone bit 215.9mm |
2017-08-03 |
| Large diameter cone bit 311mm--2800mm |
2017-08-03 |
| 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 |
