The types of Nanjing bridge are mainly as follows
1. Cascade cable tray : It has the advantages of light weight, low cost, unique shape, convenient installation, heat dissipation, and good ventilation. It is suitable for laying large diameter cables in general, and is suitable for laying high and low voltage power cables.
2. Tray type cable tray: Tray type cable tray is the most widely used in petroleum, chemical, light industry, telecommunications and other aspects. It has the advantages of light weight, large load, beautiful appearance, simple structure and convenient installation.
3. Combined cable tray: The combined cable tray is a new type of bridge tray and is the second generation product in the cable tray series. It is suitable for the laying of various projects, various units and various cables. It has the characteristics of simple structure, flexible configuration, convenient installation and novel form.