1,Bearing bar pitch:30,40,60mm 2,Cross bar pitch;50,100mm 3,Plain,Serrated,I-shape 4,Hot-dipped galvanized, painted, untreated. 2, Features: High strength and light structure The reliable grid welding enables high load bearing The light structure is advantageous for hoisting The contour is artistic and durable The hot dipping zinc surface treatment offers good corrosion resistance Good ventilation, good natural lighting, good heat radiation property, explosion-proof, good anti-skid property Contamination proof Uses: Widely applied in the power plant, the chemical plant, the refinery, the iron and steel plant, the paper mill, the machine factory, the cement plant, the municipal engineering, sewage treatment plant, environmental sanitation project as platforms, the aisle, the trestle, the ditch lid, the well lid, the ladder, the railing, the guard rail and so on.