Galvanized steel coils yog ib qho tseem ceeb hauv ntau qhov kev lag luam, muab cov kav ntev, ntau yam, thiab ntau yam kev siv.Muaj ntau hom muaj nyob rau hauv kev ua lag luam, xws li Z275 GI coil, pre-painted galvanized steel kauj, thiab Dx51d PPGI coil, cov galvaniz...
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