SSAW Spiral Steel Pipes
SSAW Spiral Welded Steel Pipe
Double-sided submerged arc welded (SSAW) spiral steel pipe manufactured to GB/T 9711, GB/T…
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SSAW Spiral Steel Pipes
Large Diameter SSAW Pipe for Piling & Structure
Large diameter spiral welded pipe for piling, bridge and structural use, as well as low-pr…
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