Generally divided into the following:
1. Slotted cable tray is a fully closed cable tray, which is suitable for laying computer cables, communication cables, thermocouple cables and other highly sensitive systems to shield interference of control cables and protect cables in heavy corrosion environment. Considering slotted cable tray as shielding, galvanizing is used for surface treatment.
2. Tray cable tray is widely used in petroleum, chemical industry, electric power, light industry, television, telecommunications and other fields. It has the advantages of light weight, large load, beautiful shape, simple structure and convenient installation.
3. Ladder type cable tray has the advantages of light weight, low cost, unique shape, convenient installation, heat dissipation and good air permeability, etc. It is suitable for laying straight, light and large cables, especially for laying high and low power cables.