... steel usePowder coating-for architectural purposed to BS6497Perforated cable tray Dimensions:Cable Tray dimensions are all internal.Depth of 35mm, ... design, the installation work and the productionautomation. Types of cable trays: 1. Six types according to different structures: ... >Several years in the manufacturing of Cable Trays,Cable Ladder,Wire Mesh and Cable Trunking,etc.>One of the most ...