 safety valve 40mm 1.6MPa A47H-16C |
2016-05-18 |
| YJ14 YJ14A motor |
2016-05-18 |
| YJ19 YJ19A YJ19B Motor |
2016-05-18 |
| Variable Frequency Speed Regulating Asynchronous YJ23 |
2016-05-18 |
| YZ08F DC Motor |
2016-05-18 |
| YZ08、YZ08A DC Motor |
2016-05-18 |
| 2000HP SCR Drive Land Drilling Rig |
2016-05-18 |
| J70D driller house SCR control system |
2016-05-18 |
| Electric control system of ZJ70D rigs |
2016-05-17 |
| oil drillingFREQUENCY DRIVE SYSTEM FOR 3000-12000M DRILLING |
2016-05-17 |
