The thickness standard for galvanized (steel) Cable Trays is based on GB/T 14540-2020 "Cable Trays" (the latest national standard) and JB/T 10216-2013 "Cable Trays for Electrical Control and Distribution" (industry standard). IEC 61537:2023 specifies requirements and tests for cable tray systems and cable ladder systems intended for the support and accommodation of cables and possibly other electrical equipment in electrical and/or communication systems installations. The technical content of IEC publications is kept under constant review by the IEC.
[pdf] China, a global leader in industrial manufacturing, hosts some of the most innovative and reliable cable tray producers. These Top China Cable Tray Manufacturers deliver high-quality solutions—ladder trays, wire mesh, perforated trays, and more—meeting diverse needs with. Asia is home to some of the world's most reputable cable tray manufacturers, offering solutions that meet the diverse needs of industries across telecommunications, construction, energy, and more. JLH cable trays mainly include cable trunking, cable ladder. It is a comprehensive enterprise integrating design and research and development, production, sales and installation design and commissioning, and after-sales service. is situated in the renowned "Electrical Island" of Yangzhong City, Zhenjiang, China.
[pdf] 
