1. according to the material classification of iron art, aluminum art, stainless steel.

2. divided into protective Windows and anti-theft nets according to use.

3. according to the installation method can be divided into assembly fence and plug-in fence, which assembly fence is divided into welding and screw connection type; The plug-in type can be divided into two forms of pvc lining and external coating;

4. According to the appearance, there are two kinds of galvanized spray plastic and hot-dip galvanized;

5. from the use of function, including the railing with small grid spacing, for the isolation of the edge of the flower bed and the isolation of the lawn border.

6. from the safety performance points, the fence can be divided into a and s (anti-climbing).

7. according to the regulations: "outside window sill from the floor, the ground of the net height of less than 0.9m should have protective facilities." Therefore, for high-rise buildings, protective facilities should be installed in order to ensure the safety of occupants.

8. the railing used in public places is generally beautiful, but sometimes it will play a certain security role.