... 3.high intensive 4.removable prefab house1. Light steel prefabricated house is cold bending thin walled light steel structure, with ... , decreasing, or changing doors, windows' division position freely.5. House's components can be completely dismantled, making it easy to ... waste.8. The roofing is water proof structure, enhancing house's air-tightness and water proofness.9. Trapezoidal roofing plates ...