... 2, 2.5, 2.8, 3.0m etc PVC Painted Steel Grating Surface treatment: Hot-dipped-galvanized ,electro galvanized ... or PVC coated,PVC painted,etc.Features:Beautiful appearance, durable, ... railway, airport, residence district, seaport, garden, feeding and husbandry,petroleum,chemical industry, power plant.series Bearing Bar Spacing ...