SUNSCO's inner welding bead cut technology is very stable, thanks to this technology, our company has been able to increase production by 10% compared to using other company's products.

As required, the welding bead is stably located at the corner, Easy to insert the mandrel to proceed with punching

Pz pipe has shiny surface, qualified coating thickness, unlike products of other company with substandard coating

The tolerance of OD, WT, Length of product is as required

Pz pipe with clear coating outside, which increases corrosion resistance over time but does not affect the powder coating process.