... Anticorrosion 3 H beam C purlin, window, sandwich panel 4 ISO9001 1500sqm Fire-proof Large Span Steel Structure Plant I IntroductionCompared with ... slope 2)Span: 9-180m,type:Single slope, double slope, muti slope; Single span, double-span, Multi-span, single floor, double floors! 3)Height ... 6-9m 6) Base:Cement and steel foundation bolts 7) Column and beam:Material Q345(S355JR)or Q235(S235JR) steel, all ...