PVCU hollow wall spiral pipeline

Pipes with smooth outer surfaces, spiral edges on inner surfaces, and uniformly distributed cavity structures on pipe walls are generally white in color, while others can be agreed upon by the supply and demand parties; Composite structures have the effect of reducing drainage noise and increasing drainage flow; Mainly used for building drainage risers.UPVC PipeWater Supply And Drainage Industrial PipePVC-U Plumbing Pipes for Drainage