1.Lowest price & good quality 2.Easy and quick installation 3.Long life & repeated 4 Professional design 5. Anticorrosio Steel structural workshop 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 ...