... and the walls are fixed with rivets.The steel structure parts and panels are light and easy to pack and ... and stable , can withstand a grade 8 earthquake.Product applicationwidely used as industry factory building , warehouse , gymnasium, poultry shed , school ... WindowPVC or Aluminum AlloyColumn and BeamHot rooled H section ,I section or GalvanizedPurlinC-Section and Z-sectionSurface2 primer and 1 ...