Gulu la Sandwich la Polyurethane lomwe limatchedwanso PU Sandwich Panel, pepala lapamwamba & lapansi la gululi ndi mapepala achitsulo opangidwa ndi galvanized & Pre-peinted, ndipo zakuthupi ndi 5 zigawo za Polyurethane guluu, amapangidwa ndi kutentha, thovu & laminating.Polyurethane ndiye chinthu chabwino kwambiri pakutentha komanso kutsekereza mawu.Iwo akhoza kuchepetsa kutentha kufala chifukwa cha kusiyana kwa kutentha mkati ndi kunja, ndi kufika dzuwa pazipita kuzizira ndi refrigeration kachitidwe.Ndi mtundu watsopano wa zinthu zotchinjiriza kutentha zotsika mtengo zomanga.Mapaneli ali mumitundu ingapo ndi mafotokozedwe kuti akwaniritse zosowa zamasamba ndi ma projekiti osiyanasiyana.