hat
Anplis de sa, konpayi nou an metrize tout teknik pou ERW630x19.1mm ak X80 klas fè, e li te devlope JCOE1420x32mm ak klas fè X80 liy pwodiksyon soude tiyo.
eng
In addition, our company has mastered all techniques for ERW630x19.1mm with iron grade X80, and has developed JCOE1420x32mm with iron grade X80 welded pipe production line.