... grating , serrated, plain, I bar, ISO9001, GRATING SPECIALIST! Mr. David industrial flooring bar grating ,flooring metal grating , flooring grating steel ,ISO9001 ... many regular grating customers in USA / Ohio, Houston, Charlotte, Middle East /Kuwait, UAE, Saudi A /, AUS, Europe and Southeast so on ... -1985,Germany: DIN24537-1-2006, Japan: JIS (Mr. David Huang) industrial flooring bar grating