Bututun Karfe mara kyau
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Tumbun Injin Injiniya Mara Sanyi Mai Sanyi
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ASTM A335 Bututun Jirgin Ruwa mara kyau
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L245 bututun karfe Professional karfe manufacturer
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L360 bututun karfe al'ada sarrafa bututu sufuri bututu
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L485 bututun karfe don masana'antar mai
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a106 gr c bututun ƙarfe mara nauyi
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bakin karfe m square tubing
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Carbon sumul karfe bututu mai da gas ERW carbon karfe shambura
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Hot Rolled Seamless Karfe tube