HSN Code is a hierarchical system of product Classification, you can explore the hierarchy below of HSN code 73089090, the most popular HSN codes used for Cable Trays. The HSN code for cable tray plays a vital role in simplifying trade and taxation processes. 0MM T Glass Fibre Reinforced Pultruded PlasticProfiles Containing 45% (+/-3%) -90? BEND FOR 150X50 FRP/GRP CABLE TRAY, 3. The top 3 Buyer countries for HS Code 392590 are “ VIETNAM ”, “ INDONESIA ”, “ KAZAKHSTAN ”,. There are 21 HS Codes used for import by 16,357 importers of Cable Trays, Click on HS Code to Get Actual Product description used. Within this broad category, the most frequently used and appropriate HSN code for cable trays is: HSN Code 73089090: This code refers to “Other” structures and parts of structures of iron or steel. Given that cable trays are essentially structural components for routing cables, this sub-heading is.