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Seamless carbon steel yeeb nkab / SMLS yeeb nkab
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Stainless hlau seamless yeeb nkab
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Hluav taws xob kuj welded ERW steel yeeb nkab
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Longitudinally submerged arc welded LSAW steel yeeb nkab
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Kauv submerged arc welded SSAW steel yeeb nkab
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Hluav taws xob / Kub-dip galvanized steel yeeb nkab
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Cov qauv steel yeeb nkab / raj rau kev tsim kho
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304/316 stainless hlau welded yeeb nkab
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Carbon steel taub qab-welding yeeb nkab haum
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Forged steel siab siab qhov (socket) welded yeeb nkab fittings
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Forged steel siab siab threaded yeeb nkab fittings
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Threaded steel / stainless hlau yeeb nkab txiv mis
