Spray painted ladder type cable tray is an open wiring profile suitable for multi scenario engineering. It is made of high-quality steel and is formed as a whole. The surface is treated with electrostatic spraying technology, which balances structural stability and anti-corrosion protection. It is widely used in strong and weak electrical wiring scenarios such as industrial plants, chemical parks, commercial buildings, and machine room power distribution. It is suitable for laying high current power cables and signal cables. The ladder style hollow open structure is transparent and smooth, with excellent heat dissipation and ventilation performance. It can quickly dissipate the heat generated by cable operation, avoid heat accumulation and aging, and effectively extend the service life of cables. Thickened plastic spray coating has uniform adhesion and full toughness, and has good acid and alkali resistance, moisture resistance, dust and aging resistance, which can adapt to complex working conditions such as damp and dusty conditions. The product specifications are standardized, the load-bearing performance is stable, the installation method is flexible, and it supports various construction forms such as wall installation and hoisting. The open structure facilitates daily line inspection, maintenance, and expansion and renovation, with outstanding overall practicality and adaptability, making it the preferred anti-corrosion profile for industrial and civil electromechanical wiring.