Specification is 13*13-600*600mm, thickness is 0.6-30mm, length is 6-12m, and we can produce as your request.They usually be used in the projects of construction, machinery manufacturing , steel construction, it is also used in the shipbuilding, solar power stents, steel structure engineering, power engineering, power plants, agricultural and chemical machinery, glass curtain wall, automobile chassis, airport, the boiler's construction, highway fence, building structure, pressure vessel, oil storage tanks, bridges, power station equipment, lifting transportation machinery and other high load of welded structure, etc. We use cif or cfr, and we can guarantee that our products are of high quality and reasionable price, and we can make delivery as soon as possible! As your request