... 50mm, 75mm, 100mm. Steel structure warehouse Features: 1) Prefabricated and customized design 2) Low foundation cost, thanks to the ... in hillside, hill, grassland, desert, riverside, and temporary houses when construction and earthquake and as blinds, etc. Earthquake-proof ... , polyurethane, rock wool, fiber glass sandwich panels.The prefabricated houses have K model and T model. And the steel ...