Wiskind Hot Dip Galvanized Z Purlin for Steel Structure, named by its economic section "Z" shape. It is made of good quality galvanized steel strips by the method of cold-bending formed. The surface treatment are galvanized or bare. It has many advantages compared with traditional structural steel, such as light weight, excellent performance cross-section, high-strength and so on. Z purlin is used for wall purlin and roof purlin systems on steel structure site.