1. All kinds of steel grating : 19mm-65mm 2. Pitch of bearing bar: 15mm-90mm 3. Pitch of cross bar:24mm-200mm 4.Sign of the shape of bearing bars: F-plain style S-serrated style I-i-section style 5.Sign of surface-treatment: G-hot galvanizing p-planted u-untreated. By pallet.
