Trough-type FRP cable trayis a fully enclosed cable tray. It is most suitable for laying computer cables, communication cables, thermocouple cables and control cables of other high-sensitivity systems. It has good effects on preventing interference to control cables and protecting cables in heavily corrosive environments. Moreover, the materials of trough-type cable trays include stainless steel, aluminum alloy and steel. The covers of trough-type FRP cable trays are supplied with the trough body, and other accessories are universal with ladder-type and tray-type cable trays. Surface treatments include galvanizing, fireproofing, electrostatic spraying, hot-dip galvanizing and so on. Special anti-corrosion treatment can be carried out in heavily corrosive environments.