1>Bearing bar pitch:30,40,60mm 2>Cross bar pitch;50,100mm 3>Plain,Serrated,I-shape 4>Hot-dipped galvanized,Painted,Untreat steel structure grating, steel grating, steel grid Various shpe type:steel grid plate series products application range Power plantsSewage treatmentThe ship manufacturingMunicipal engineeringNuclear power plantsRoom of the lacquer that bakeDesulfurization towerOffshore ...