Is the plastic lined steel pipe the same as the PSP composite pipe?
Lined with plastic steel composite pipe is the plastic through the paste on the steel, and personally feel a little better PSP it, lining the diameter of the impact of relatively large.
Now many places are using PSP steel composite pipe, pressure bearing ability, recommend you a family.
PSP steel plastic composite pipe base material is steel, and plastic coated PE/EP, the surface of the plastic coated steel.
