The Slotted Casing Pipes are widely used for oil filters and other oil industry parts. 

Because it can filter out 99% of the sand, decrease 80% of oil well heavy repair,

which greatly reduces the maintenance rate of the tube. 

It can also improves the tube's strength, integrality, and stability of keeping off the sand. 

Know more, plz send your email to sales@xiangjiasteel.com