... of steel structures, steel building, metal building, modular house, steel frame for warehouse, workshop, garage etc, steel ... Ventilators, down pipe, Glavanized gutter, etc9)Surface: Two lays of Anti-rust Painting!10) Packing: Main steel ... Co., Ltd. Busisiness scope: Container house, Light steel villa, Steel structure house, Prefabricated house, Building Materials, Sandwich panels, Corrugated ...