... contains waterproof pillar, can send 20ft container or bulk Guanhong galvanized sheet is mainly used in architecture, light industry, automobile, agriculture,animal husbandry ... pressing SC—270-380≥30d=0, in good condition, non-dezincing.Structure JG≥240≥370≥18d=0, in good condition, non-dezincing.————— Hot dipped galvanized steel coils