Tianjin Diamond Tube & Pipe Industry Co., Ltd. [China]

1.NAME. thin wall erw black square steel pipe /tubes with oiled 2.STANDARD GB/T6728 3.MATERIAL Q195,Q235 4 OUTER

5 TECHNIQUE    ERW

6 PORT OF SHIPPMENT  XINGANG

7   PACKAGE  BUNDLES BY CONTAINNER

thin wall welded black square steel pipe /tubes with oiled