·Desert workover rig | [2015-04-01] | |
·Swamp workover rig | [2015-04-01] | |
·Slant-well workover rig | [2015-04-01] | |
·Mountainous workover rig | [2015-04-01] | |
·Grid-electricity workover rig | [2015-04-01] | |
·HXJ90 | [2015-04-01] | |
·HXJ112 | [2015-04-01] | |
·HXJ135 | [2015-04-01] | |
·HXJ158 | [2015-04-01] | |
·HXJ180 | [2015-04-01] | |