... stainless steel plate, General Specification: 20*3, 25*5, 25*3, 30*3, 32*5, 40*5, 50*5, 65*5 etc.Cross bar: Q235A or 304 ... stainless steel wire, General Specification: 5*5,6*6,8*8mm4. Bar grating is widely used in the platform, corridor, bridge, ... well covers, stairs.5. Ventilation, light leakage, thermolysis, antiskid, ...