Stable high rise steel structure building Specifications:Main Steel: Column and beam(H-section), square steel tube,C/Z purlinConection Method: Welding or hot rolled or cold rolledWall&Roof: EPS,Rockwool,PU sandwichpanel, Corrugated steel sheet with fiber glasswoolDoor: Rolled up door or Sliding door(sandwich panel)Window: Plastic steel or..