
Super Heavy Duty 20FT Expandable House for Stable Outdoor Field Working Space. Earthquake and Wind Resistance: Rated for earthquake resistance level 8 and wind resistance level 10. Rapid Installation: Simple and quick assembly taking only 4 hours per set. Customizable Dimensions: Available in 10FT to 40FT sizes with customizable options. Customizable Colors: Color options can be customized according to customer needs. Long Service Life: Durable structure with a service life of up to 20 years. Eco-Friendly Materials: Features hot-dip galvanized steel and environmentally friendly composite panels. Comprehensive After-Sales: 5-year warranty with 24-hour support and optional engineer dispatch. Flexible Expansion: Double-wing design allows flexible extension and retraction for space optimization.