Galvanized bututu suna da nau'ikan aikace-aikace da yawa, gami da iskar gas, man fetur, sinadarai da sauran filayen masana'antu, da kuma tulin bututu don gadoji na trestle, da bututu don tallafawa firam a cikin ramukan ma'adinai.An fitar da bututun Karfe na Galvanized ERW zuwa New Zealand, tare da jeri mai zuwa.Idan...
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