
Metal Construction Materials Prefabricated Steel Structure Expandable Mobile House. High-Strength Steel Structure: Main structure uses Q345 and secondary Q235 carbon structural steel for superior durability. Earthquake & Anti-Corrosion: Features excellent seismic performance, fireproof, waterproof, and anti-corrosion properties. Fast Installation & Delivery: Short construction period with online guidance for convenient installation and maintenance. Customized Design Options: Flexible customization for wind load, earthquake resistance, and specific design codes. Eco-Friendly & Recyclable: Good environmental protection performance with main steel structure being fully recyclable. Professional OEM/ODM Service: Supports OEM, ODM, and OBM services with dedicated design team and CNC machinery.