Slot-type cable tray is hermetic and suitable for laying computer cables, communication cables; thermocouple and other cables require effective shielding interference and anti-corrosion. Material: Spray, galvanized, stainless steel 201, 304 (L), 316 (L) Protection cover is equipped; the protection covers can be also used on other types of cable tray. We can also make customized products according to customers’ requirement.