<![CDATA[EC21 Product Catalogs - b70]]> <![CDATA[ASTM A672 B60/B70/C60/C65/C70 LSAW Carbon Steel Pipe]]> <![CDATA[A671 GR.B70 CL22 LSAW/DSAW Pipe]]> <![CDATA[Big Size LSAW Steel Pipe Anti-Corrosion LSAW Steel Pipe Lsaw Steel Pipe]]> <![CDATA[Triangle Tube]]>