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l .Main steel structure: welded H steel;
l .Purlin:cold-rolled C section steel;
l .Roof panel: color steel sheet or sandwich panel;
l .Wall: brick below 1.2meter, color steel sheet or sandwich panel above 1.2m;
l .Tie bar: round tube;
l .Brace: round steel;
l .Lateral and column bracing: round steel;
l .Knee brace: hot- rolled angle steel;
l .Trims,flashing: color steel sheet;
l .Gutter:color steel sheet;
l .Downpipe: UPVC;
l :Door: sandwich panel sliding door or rolling door;
l : Window: PVC window or aluminum alloy window
