- Throttle valve
- 2016-11-18 14:50
- 1, structure is simple and convenient, easy to manufacture andmaintenance, low cost.2, control accuracy is not high, not
- manifold with oil exploration and implementation of the important nearly balance
- 2016-10-23 17:05
- 1.Choke manifold is oil exploration and implementation of the important nearly balance drilling well control device, the