* It is an important part for transporting oil. Water, fracturing fluid and mixed fluid .

* These products are all made of high quality steel by forging and finishing cut .

* They have good. Mechanical performance and sealing property.

* Especially they can operate under the bad weather condition.

* They can be assembled fixed easily and conveniently.

* Main technical parameter model number collecting norm working pressure , structural length drift diameter.

* The product adopts some end connections of pipeline thread, tubing thread, butt-weld.