- API standard Drilling Rotary hose
- 2016-10-30 18:25
- 1.API Spec 7K2.rubber and stainless steel wire3.WP:11Mpa~105Mpa4. Construction: It made of inner sub or stainless steel
- thread protector
- 2016-10-24 14:50
- application: this kind of thread protector is used in casing or tubing.characteristic:this kind of thread protector has
- thrash pipe union
- 2016-10-22 20:29
- thrash pipe unionThe ladder-shaped public connection of thrash pipe union is welded with exit port of wessel o