Prefab house details: Material: Steel, Eco-friendly and recycle materials.The materials are excellent in fire proofing, water proofing, corrosion-resistant, sound-insulating, heat proofing and maintaining.Excellent in the feature of typhoon and earthquake. The typhoon proofing grade is 8 grade, and the earthquake proofing grade is 7 grade. Usage: Villa, Hotel, Shop,Guard house, Booth. Advantage:it can greatly reduce construction waste and construction sewage, reduce construction noise, reduce the emission of harmful gas and dust, and reduce on-site construction and management personnel. Generally, it can save 20% of materials and about 60% of water. It is anti-corrosion and earthquake resistance. Structure: galvanized light gauge steel keel Thermal Insulation: XPS board/rock wool (no sandwich panel) Acoustic Insulation: rock wool/double glass window Saving energy: solar energy; gray water reuse. Design:ODM,OEM or customized Installation: site direction