54023100 under HS Code SYNTHETIC FILAMENT YARN (OTHER THAN SEWING THREAD), NOT PUT UP FOR RETAIL SALE, INCLUDING SYNTHETIC MONOFILAMENT OF LESS THAN 67 DECITEX TEXTURED YARN : OF NYLON OR OTHER POLYAMIDES, MEASURING PER SINGLE YARN NOT MORE THAN 50 TEX, 54024500 under HS Code OTHER SYNTHETIC FILAMENT YARN (OTHER THAN SEWING THREAD), NOT PUT UP FOR RETAIL SALE, INCLUDING SYNTHETIC MONOFILAMENT OF LESS THAN 67 DECITEX OTHER YARN, SINGLE, UNTWISTED OR WITH A TWIST NOT EXCEEDING 50 TURNS PER METRE : OF NYLON OR OTHER POLYAMIDES, and 54023300 under HS Code SYNTHETIC FILAMENT YARN (OTHER THAN SEWING THREAD), NOT PUT UP FOR RETAIL SALE, INCLUDING SYNTHETIC MONOFILAMENT OF LESS THAN 67 DECITEX TEXTURED YARN :OF POLYESTERS were the top imported HS Codes by SMART NARROW FABRICS in 2023.