
20FT/40FT Folding Expandable House with Double Wings. Rapid Installation: Fast installation process with folded size 5900*2240*2480mm for easy transport. Durable Construction: Integrally welded galvanized steel frame with 70mm fireproof EPS insulation panels. Weather Resistant: Features waterproof, leak-proof, moisture-proof, wind-resistant, and earthquake-resistant design. Eco-Friendly Design: Eco-friendly sandwich panel construction suitable for residential and commercial use. Flexible Configuration: Flexibly combinable design with double wings expandable structure for versatile layouts. Thermal Insulation: High-performance thermal insulation using 70mm fireproof flame retardant EPS sandwich panels. Global Export Experience: Exported to 50+ countries with 20+ years of manufacturing experience. Customization Available: Customization available including design style and warranty options.