Our company,Shandong Runfa Steel Sheet Co., Ltd. is a big mill producing hot dipped galvanized steel coils and prepainted galvanized steel coils.Quantity up to 400,000 tons annually. product range: Prepainted Galvanized steel coils GRADE:SGCC, DX51D Thickness: 0.20-0.80 mm Width: 1000-1500mm Zinc: Z60-Z275 Color coating:top 15-20 mic;back 5-7mic Color: RAL colours Inner diameter: 508mm/610mm Hot dipped galvanized steel coils GRADE:SGCC, DX51D Thickness: 0.20-3.0mm Width: 1000-1500mm Zinc: Z60-Z275 Inner diameter: 508mm