... purlinBraceAnchor, ordinary, high strength boltBoltSandwich panel or steel plateRoof &wallPVC or aluminum alloy doorDoorSliding or rolling doorInsulation panelEPS,XPS,Rock wool , PU ... loadwind load, snow load, raining condition, aseismatic requirements, etcInsulation materialsandwich panel or steel sheetDesign picturesOther information if necessary Item NameSteel structure ...