29051100 under HS Code ACYCLIC ALCOHOLS AND THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES - SATURATED MONOHYDRIC ALCOHOLS : METHANOL (METHYL ALCOHOL), 40025100 under HS Code SYNTHETIC RUBBER AND FACTICE DERIVED FROM OILS, IN PRIMARY FORMS OR IN PLATES, SHEETS OR STRIP; MIXTURES OF ANY PRODUCT OF HEADING 4001 WITH ANY PRODUCT OF THIS HEADING, IN PRIMARY FORMS OR IN PLATES, SHEETS OR STRIP- ACRYLONITRILE-BUTADIENE RUBBER (NBR) : LATEX, and 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 were the top imported HS Codes by ATG LANKA PRIVATE LIMITED in 2021.