Solar System Integration Fast Assembly Modular Prefabricated House for off-Grid Living

1.Quality difference: We use 2.0mm thick galvanized frames and a heavy-duty hydraulic expansion mechanism. Our room can be expanded/retracted 5,000+ times without failure. 2.Waterproofing: We use EPDM rubber seals (automotive grade), others use cheap foam. No leaking guaranteed for 10 years. 3.Strong customization ability, able to customize materials and size configurations

1.Installation: One person can manually crank the expansion system in 5 minutes. No tools or heavy machinery needed. We provide an illustrated installation manual and video guide. 2.Shipping: The unit is fully pre-assembled in our factory. When folded, it is packed with a steel pallet and stretch film. One 40HQ container can load 8-10 units (depending on model). You just unload with a forklift, unfold it, and connect the power. 3.Inspection: We support video-call factory inspection before packin

1. Confirm size, color, door and window position, insulation material, and internal configuration 2. Sketches, reference images, or simple size requirements 3. Engineers produce drawings, provide CAD drawings and 3D renderings, or we can provide them to you after we reach a cooperation agreement 3. Drawing confirmation, both parties confirm all details, can make modifications until satisfactory, and provide feedback on modification suggestions 4. Sample production, we are the source factory and