The trough-type cable tray with built-in partitions is a specialized enclosed profile for the separate wiring of weak and strong electrical currents in engineering projects. Based on traditional trough-type trays, it adds built-in partitions to divide the internal space into independent wiring channels, meeting the refined wiring requirements of modern building electromechanical systems. It is widely used in data centers, office buildings, hospitals, industrial plants, and municipal electromechanical engineering projects. The core advantage of this cable tray lies in its circuit partition isolation design, which allows for separate laying of power cables, control cables, and communication weak current lines, effectively reducing cross-talk interference between circuit signals and ensuring the stability of both power transmission and data signal transmission. The fully enclosed slot structure boasts excellent dustproof, moisture-proof, and oil-proof capabilities, providing stable protection for internal cables and adapting to complex indoor construction environments. The cable tray with slot and divider plate features neat workmanship, good structural integrity, stable load-bearing capacity, convenient installation and splicing, and can be adapted to standardized construction processes. The product supports various surface treatment processes such as galvanizing, powder coating, and hot-dip galvanizing, allowing flexible selection according to different working conditions and environments. The zoned layout ensures orderly arrangement of lines, significantly reducing the difficulty of later maintenance and line modification. It is a commonly used supporting profile for refined electromechanical wiring projects.