PUR, PIR,Polyurethane,Rock wool Sandwich Panel Product Line could automatically make PUR,PIR,rock wool,mineral wool,glasswool sandwich panel for wall and roof.The composing of product line:1.Uncoiler 2.Mineral wool slab feeding line 3.Roll forming machine 4.Milling mineral wool system 5.Scraping glue 6.PUR or PIR foaming machine 7.Double belt caterpillar press pressing 8.Band saw 9.Cooling system.10.Stacking machine 11.Packing machine