High Quality Industrial Construction Galvanized Steel Compartment Trunking Tray Ventilated/Perforated Internal Cable Laying Product Name Galvanized Steel Partition Tray Cable Tray Materials Pre Galvanized Steel Plate /Stainless Steel SS304 and SS316L Specification Thickness: 1.0 mm - 3.0 mm Height: 25 mm - 500 mm (Light, Medium, Heavy Duty) Width: 50 mm - 1200 mm Length: 2-6M (can be produced according to appointed length) Finished: Pre-galvanized , hot dipped galvanized,