Hollow core slab machine works on the long-line table,using the high-strength low-relaxation steel strand as the guide,using the pushing workmethod to form the concrete hollow core slab.The slab have the advantages of smooth surface,high-density structure,capable of making construction slabs of 4.2m to 18m.The GLY serious concrete hollow core slab mainly used on the larger bay workshop,school,hospital,shopping mall,office building,bulk storage plant etc.