... specialized in steel grating,hot dip galvanized steel grating .We have many regular grating customers in USA ,AUS,Kuwait, UAE, Malaysia, , ... to meet different load and clear span .They are have many adeantages,such as easy construction,big bearing capacity,good looking ... /teeth, I bar, serrated I bar7StandardChina: YB/T 4001.1-2007, USA: ANSI/NAAMM(MBG531-88),UK: BS4592-1987, Australia: AS1657 ...