1.full range in type and dimension 2.applicable steel euqipment 3.excellent quality of steel grating 4.reasonable price hengzhou 's steel grating can be used for ladders ,walkways grating ,stainless platforms grating ,flooring grating ,ditch grates ,drain covers , stair treads and filter grates ect . it also can be used in many other fields ,such as in the light chemical industry , euqipment and ...