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Ausin Pipeline Material&equipment Co.,ltd.

Free member Since 2007

Hebei, China

SSAW Spiral Submerged Arc Welding (SAWH) steel pipe,Spiral steel pipe spiral welded steel pipe OD: 219mm-3020mm Wall thickness 6mm-20mm Standard SY/T5037, SY/T5040, GB/T9711.1 ,GB/T9711.2 ,ASTMA53, ASTMA252, and API SPEC 5L Material...

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