... 50,100mm 3.Plain,Serrated,I-shape 4.Hot-dipped galvanized,Painted, Hot dipped galvanized steel grating 1.Steel Grating is made ... fabricate and galvanize the grating on their own.Galvanized: Hot Dip Galvanizing can give a hygienic and clean ... Mild steel & Low carbon steel, etc5Surface TreatmentBlack, self colour, hot dip galvanized, painted, spray coating6Grating StylePlain / Smooth, Serrated /teeth, ...