... interior suited to various uses.Introduction of the bottomFrame made steel board, seamless bended, seamless welded, surface galvanized. painted ... in the middle 4.standard PVC bottom 5.light steel keel bottomWall system1.standard wood pattern wall panel 2.standard ... to prefabricated house, we also offer prefab house ,steel structure building, light steel villa, and much more.FAQ1.You are manufacture ...