Expandable House/Foldable House Expandable box-kind modular house, which includes a box module, foldable roof module; claimed box module features a box-type steel structure frame, a base plate set about the steel structure frame, a primary hill wall, a 2nd hill wall Positioned on either side of your steel structure frame https://foldingcontainerhouse94737.yomoblog.com/37593921/flat-pack-single-apartment-steel-mobile-portable-expandable-container-house-an-overview