DAI DUNG

Building materials of metal, namely, building panels of metal, framework of metal for building; fittings of metal for building, namely, flashing of metal, metal down spouts, metal beams for roofs; buildings, transportable, of metal, prefabricated buildings made substantially of metal, roof gutters of metal, roofing of metal, steel masts, steel pipes, steel sheets, step ladders made of metal, hinges of metal; prefabricated house frames of steel