prefa house: 1. high stability 2.flexible design 3.beautiful appearance 4.energy-conserving ,soundproof the details of the steel structure prefa house :1. Simple prefabricated shed 2 ,Movable,flexible design and layout 3. Cost-effective and eco-friendly 4. Fast&easy to instal 5. Structure is reliable: Light steel structure system is safe and reliable, satisfied modern architecture concept 6. Easy ...