China Cable Tray suppliers Product introduction We passed the ISO 14001 and 45001 system certification, and CE Certificate. Trough cable tray is uitable for laying computer cables, communication cables, thermocouple cables and control cables of other highly sensitive systems. Trough cable tray has good effect on controlling cable shielding interference and cable protection in heavily corrosive environment. The trough cable tray has good shielding function and high tightness. The maintenance cable can avoid corrosion and disturbance, and has dust-proof function to prevent unnecessary damage. T