Lattice Steel Structure iso9001:2000 materials :steel ,galvanized steel thickness:3mm,4mm,5mm 6mm. Lattice Steel Structure1.Brand:Ocean2.Material:steel frame lattice is made of low carbon steel,stainless steel,flat steel ,etc3.technique:The steel frame lattice is made by welding4.characteristic:(1)high strength,(2)light structure,(3)good appearance Lattice Steel Structure