Weldded erw ibyuma
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ASTM A500 Pre-Galvanized Steel pie
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BS 1387 Ashyushye-Dip Galvanize Icyuma
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ASTM A795 Ashyushye-Dip Galvaniked Syio
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ASTM A53 Gr.b Ashyushye-Dip Galvanize Ibyuma Bwibyuma
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Kurwanya amashanyarazi gusudira stw stpeel pipes Horw steel tubes
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Sans 657-3, EN 10305, DIN 2391 Precional Steel Pipes / Tubes
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Imiyoboro ya galvanines
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Square & Urukiramende