Lixin 5-wall X structure is a high strength product which designed by Gensin, it specifically aimed at large architectures, buildings which require longer purlin distance and high loading performance. Lixin 5-wall X-structure provides extra strength than R-structure. It allows greater purlin spacing and fewer supporting profiles, thus saving the installation cost. The sheet is virtually unbreakable, available in 20mm, 22mm and 25mm thicknesses.