... , competitive price and faster delivery time. Such as steel mill black and hot dip Galvanizing and stainless grating flooring ... walkway, platform and steel structures, stair tread, well cover, trench cover, compound ... A36, A1011, A569, Q235, S275JR, SS304, Mild steel & Low carbon steel, etc5Surface TreatmentBlack, self colour, hot dip galvanized, painted, ...