Threeway Steel SSAW steel pipe Spiral welded pipe(SSAW pipe, also called HSAW pipe). The pipe is formed by spiral submerged arc welding technology. Spi
2021-12-08
Threeway Steel ERW steel pipe High-frequency welded pipes are generally straight-slit, but straight-slit welded steel pipes are not necessarily high-f
2021-12-08
Threeway Steel LSAW steel pipe Longitudinal submerged arc welded is produced by using a single medium and thick plate as the raw material, pressing (ro
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