... size:914mm,1000mm,1200mm,1219mm,1250mm,)Base metalGalvanized steel coils, aluzinc steel coilsZinc coating50-180g/m2Coil ID508mm/610mmWeight3-8tonUsingbuilding materialsPackingStandard ... water plastic film is in the middle and outside GI steel sheet to be covered by steel strips with lock, with inner ... and standard can be accept!We can supply you the product you need with most competitive price and high ...