Perforated cable tray is semi-sealed and made of steel metal. It is very similar to cable trunking. Its heat dissipation performance will be better than that of cable trunking. The main reason is that the bottom hole is enhanced. It also has good anti-signal interference and dust-proof effects. Perforated cable tray is often used for horizontal or vertical laying of control cables and communication cables, and for the installation of power cables. Commonly used in real estate construction, chemical industry, electric power, petroleum, telecommunications…etc