PU sandwich panel, 1.Competitive price, MOQ: 50m2 2.Professional manufacturer, assured quality 3.ISO9001:2008 4.100mm, 150mm PU sandwich panel and cold storage PU sandwich panel is ... sides:Carbon steel sheet, color steel sheet, stainless steel sheet for customers' option 2) Thickness(mm): 0.4, 0.42, ... , 120, 150, 200mm.3.Fireproof:According to customer requirement. PU sandwich panel for cold storage