spiral welded steel pipe! spiral steel pipe for deliver gas and water Specification ...

Stainless steel pipe (seamless,welded) Standard:ASTMA312,A213,A376,A789,A790,A376,A...

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A860 WPHY60 Elbow/Tee/Rducer/Cross/Cap/Stub End Name: Mary Zhu Email: mary (at) htp...