54033100 under HS Code ARTIFICIAL FILAMENT YARN (OTHER THAN SEWING THREAD), NOT PUT FOR RETAIL SALE, INCLUDING ARTIFICIAL MONO FILAMENT OF LESS THAN 67 DECITEX OTHER YARN, SINGLE :OF VISCOSE RAYON, UNTWISTED OR WITH A TWIST NOT EXCEEDING 120 TURNS PER METRE, 29304000 under HS Code ORGANO-SULPHUR COMPOUNDS - METHIONINE, and 29224100 under HS Code OXYGEN-FUNCTION AMINO-COMPOUNDS - AMINO-ACIDS, OTHER THAN THOSE CONTAINING MORE THAN ONE KIND OF OXYGEN FUNCTION, AND THEIR ESTERS; SALTS THEREOF : LYSINE AND ITS ESTERS; SALTS THEREOF were the top imported HS Codes by B A TRADERS in 2021.