Expandable House/Foldable House Expandable box-style modular house, which incorporates a box module, foldable roof module; stated box module includes a box-variety steel structure frame, a base plate established around the steel structure frame, a primary hill wall, a 2nd hill wall Found on both sides of your steel structure frame https://mobile-container-house83715.blogsuperapp.com/31746529/a-secret-weapon-for-mobile-container-house