... ;50,100mm Plain,Serrated,I-shape Hot-dipped galvanized Steel Grating ProductsSpecifications1>Bearing bar pitch:30,40,60mm 2>Cross ... 4>Hot-dipped galvanized,Painted,UntreatedWe have wide range of Steel Grating in Plain/Serrated Type, Widely Applied in Power Plant ... chemical plant, the refinery, the iron and steel plant, the paper mill, the machine factory, the cement plant, the municipal engineering, ...