... 2steel storehouse with CE 3National steel structure class A 4Oversea engineering qualification High Quality Steel Building with CEWelcome to ... between purlin/column/beamBoltanchor,ordinary,high strenght boltRoof &Wallsandwich panel or steel color plateSheet0.5mm or 0. ... -shape steel and Z-shape purlin, shoring, cross bracing, tie-bar, intercolumniation, sandwich panels, glass wool panels, High-strength ...