grating is widely used for ramps, walkways, platforms, washbays. Customized shapes and sizes of Anti-slip steel Gratings can be fabricated to meet ... 2 (Med.) and Grade 3 Chao Feng Anti-slip Steel Grating is widely used for ramps, walkways, platforms, washbays. Anti slip ... and icy areas. Light, strong and easily installed. Chao Feng grating available in all sizes, thicknesses and fixings stocked.