... type and dimension 2.applicable steel euqipment 3.excellcent quality of steel grating 4.reasonable price hengzhou 's steel grating can be used ... for ladders ,ditch grates ,filter grate ,stair treads and flooring grating ect .The plain galvanized platform ... ,ditch grates,fences,framedgrates,trash rack grates ,paint backing chambers…… galvanized steel pipe fences