... 5)SGS Frp grating cover is used in sewage treatment plant.A, Features of frp grating cover:a ... Electronics Industry, Pharmaceutical Manufacturing, Power Engineering, Metal Smelting, Sewage Treatment, Transportation, Water Plant Breeding, Pulp and paper, Shipbuilding, ... Walkways, Drilling Platform, Drilling Platform, Terrace, Stair Steps, Equipment Aisle, Trench Cover, Boat Deck, Ventilation Grid, Fence ...