Cable Tray systems are well designed to provide necessary support for cable trays, cable ladders and trunkings. Cable trays are manufactured according to common standards from high quality raw materials. Wire Mesh Cable Tray Material: Q235B Steel (Chinese standard steel), SS304, SS316 & SS316L Surface Finish: Electro zinc plated- for indoor use to BS EN 12329-2000, 12microns thick. Hot Dipped Galvanized- for outdoor use to BS EN 1461-1999, between 60 and 80 microns thick Electrolytic Polishing -for stainless steel use.