High ribbed formwork is manufactured from hot- dipped galvanized steel sheets. Because its meshes and U patterns, it has better anti-stress capability and forming f;exibility than normal metal lath, this product has excellent engineering quality, construction secyrity and widely used in tunnels , bridges, valve basement systems. sewage systems, subways, retaining walls, nuclear power plants, shipyards, water pools and marine engineering works and high rise building projects and non-regular or bending pattern etc. as concrete permanent assembly free formwork.