... passed ISO9001 and SGS A, Features of frp trench grating cover:a) Corrosion Resistantb) Fire Retardantc) Impact Resistantd) High Strengthe) ... ) Easy to Maintain B, Application of frp grating cover.Frp grating cover are often used in the fields of Petrochemical Industry ... Platform, Drilling Platform, Terrace, Stair Steps, Equipment Aisle, Trench Cover, Boat Deck, Ventilation Grid, Fence and so on. C,We ...