The steel grating is manufactured according to YB\T4001-1998 and NAAMM standard. High quality of materials.

                                             grating treads

Steel Grade: bearing bars and cross bars;

Standard(steel grating):YB\T4001-1998(China),NAAMM(America),BS4592-1-1995

                                   (Britain),AS1657-1985(Australia);

Specification:custom-built.

carbon steel grating