Cov khoom
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JIS A5525 SKK490 SSAW Yeeb Nkab Pile: Kev Muaj Peev Xwm Tsim Khoom & Cov Lus Qhia Txog Khoom
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EN 10248 S355GP SSAW Steel Piling Pipe: Kev Muaj Peev Xwm Tsim Khoom & Cov Khoom Tshwj Xeeb
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EN 10219 S355JRH SSAW Hollow Section: Kev Muaj Peev Xwm Tsim Khoom & Cov Khoom Qhia Txog Khoom
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EN 10025 S355JR SSAW Cov Yeeb Nkab Qauv: Kev Muaj Peev Xwm Tsim Khoom & Cov Lus Qhia Txog Khoom] {.mark}
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ASTM A572 GR.50 SSAW Cov Yeeb Nkab Hlau: Kev Muaj Peev Xwm Tsim Khoom & Cov Lus Qhia Txog Khoom
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API 5L X65 SSAW Cov Yeeb Nkab Hlau: Kev Muaj Peev Xwm Tsim Khoom & Cov Lus Qhia Txog Khoom
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ASTM A500 GR.B SSAW Cov Yeeb Nkab Qauv: Kev Muaj Peev Xwm Tsim Khoom & Cov Lus Qhia Txog Khoom]{.mark}
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ASTM A252 GR.3 SSAW Steel Pipe Pile: Kev Muaj Peev Xwm Tsim Khoom & Cov Lus Qhia Txog Khoom
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API 5L X52 SSAW Cov Yeeb Nkab Hlau: Kev Muaj Peev Xwm Tsim Khoom & Cov Lus Qhia Txog Khoom