
Modular Modern Prefab Luxury 40 FT Expandable Container House. Rapid Installation: 4 workers can complete expansion installation in 20 minutes. Long Service Life: Designed for a 20-year lifespan with high-quality materials. Customizable Color: Available in White, Wood Grain, or fully customized color options. Comprehensive Warranty: 3 years warranty coverage for after-sales service. Superior Insulation: 50mm rock wool sandwich panels, upgradeable to 75mm for extreme weather. Leak-Proof Design: Proven leak-proof performance with no water leakage issues in overseas orders. Free Installation Guide: Includes videos and instructions; free on-site engineer support for orders over 300 sets. Certified Quality: ISO, CE, and SGS certified with 100% finished product inspection.