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Kumukūʻai Kūʻai Nui GB/T9711 L485 Anawaena Nui Q2 ...
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Kūʻai wela nui anawaena ASTM A252 GR.B Spiral W ...
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ʻO Tianjin Ehong kiʻekiʻe ka ʻaila a me ke kinoea Api 5L C ...
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ʻO ka hale hana Tianjin erw wili welded kalapona kila ...
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ʻO Q235B/Q345B/API5L SSAW Spiral Welded Steel Pipe ...
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Paipu kila ʻōwili nui ke anawaena ssaw kila pip ...
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ʻO ka paipu kila kila wiliweld 36 iniha maikaʻi loa ...
