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.