Cable trays are categorized into channel-type, tray-type, ladder-type, and grid trays, etc., consisting of brackets, support arms, and installation accessories. They can be independently installed or mounted on various building structures and pipeline supports, showcasing features such as simple structure, aesthetic design, flexible configuration, and easy maintenance. All parts require galvanizing treatment. For outdoor installations on buildings, if near the seaside or in a corrosive area, the material must possess properties like corrosion resistance, moisture resistance, good adhesion, and high impact strength.