Expandable House/Foldable House Expandable box-kind modular house, which includes a box module, foldable roof module; claimed box module features a box-kind steel structure frame, a base plate set around the steel structure frame, a first hill wall, a next hill wall Situated on either side in the steel structure frame https://environment-easy-install72715.kylieblog.com/31738451/getting-my-environment-easy-install-portable-office-folding-container-house-to-work