Grating are widely used in ship manufacturing industry, advantages obviously, ship boiler-turbine channel, deck access, maintenance access, platforms and so on were a large number of uses, Marine grating criteria CB/T608-1998, steel grid plate used 32 * 3, 40 * 3,50 * 5 of the flat steel production. should be used in different environments and uses, Marine grating is also frequently used in stainless steel grating, aluminum grating material and fiberglass grating.