... :20,000tons/year stainless steel gratingUnique features:Light weight, heavy-duty, large loading-bearing capacity, economical, ventilated, modern-styled ... available. This kind of gratings are featured well by heavy-duty, well resistance of strong impact on surface. Gratings ... available. The products most commonly used for Belt corridor, storage shelf,Attic panel, trestle, guardrail, sunshade gate, etc. ...