... certificate : ISO9001:2000, ISO9001:2008 2.Delivery time : 7days to 15 days 3.Payment :T/T Hengzhou 's steel grating can be ... applications , such as plain flooring grating , clips grating , ladder steps , fences ,walkways grating , stair treads and stainless steel grating etc .Grating dimension in the followings : ... mm .Applications : Plant power , Fridge and so on . hot dip galvanized steel grating