... dip galvanized steel grating .We have many regular grating customers in USA ,AUS,Kuwait, UAE, Malaysia, ,Philippine,Singapore, UK,New ... galvanizing for the surface treatment.They are widely used in municipal engineer walkways,shools,residential quarters,garden facilities,stadium, ... I bar, serrated I bar7StandardChina: YB/T 4001.1-2007, USA: ANSI/NAAMM(MBG531-88),UK: BS4592-1987, Australia: AS1657- ...