... color coated steel surf Long Life Span PU Sandwich Panel General description1.Heat and sound insulation:the coated steel ... hospitals,malls,hotels,warehouse,etc5.Surface Appearance:small wave,flat,embossment,big rib6.Recommened coating:PVDF,SMP,HDP,FE7 ... insulationd.green and environmental Company HonorProduction EquipmentWe have sandwich panel workshop,steel structure workshop and color steel tile work ...