1.galvanized,painted,depend on your requirement 2.ISO9000-2000 3.apply in stair tread, trench cover.ect 4.all specifications

(1)Grating Surface Treatment:Hot Dip Galvanized,painting,self colour/untreated (2)Grating Application:Industrial platform,floor

(1)Grating Main Market:USA,AUS,UK,Kuwait,South America

(2)Grating Products Scope:Steel grating,smooth&serrated,trench cover,stair tread

(3)Grating Company:ISO9000-2000

(4)Grating Steel Material:Low carbon steel,mild steel,stainless steel

(5)Grating Steel Standard:ASTM A36,A1011,A569,Q235

(6)Grating Standard:ANSI/NAAMM(MBG531-88),BS4592-1987,YB/T4001-2002