Paipu kila Welded Spiral

  • Paipu kila wiliwili ʻia

    Paipu kila wiliwili ʻia

    Hana ʻia nā paipu kila e ke kila coil, extrusion i hana ʻia ma lalo o ka mahana maʻamau, a laila lawe ʻia i ka ʻenehana o ka uea pālua a me nā maka pālua submerged-arc welded.