68061000000 under HS Code SLAG WOOL, ROCK WOOL AND SIMILAR MINERAL WOOLS; EXFOLIATED VERMICULITE, EXPANDED CLAYS, FOAMED SLAG AND SIMILAR EXPANDED MINERAL MATERIALS; MIXTURES AND ARTICLES OF HEAT-INSULATING, SOUND-INSULATING OR SOUND-ABSORBING MINERAL MATERIALS, OTHER THAN THOSE OF HEADING 6811 OR 6812 OR OF CHAPTER 69 SLAG WOOL, ROCK WOOL AND SIMILAR MINERAL WOOLS (INCLUDING INTERMIXTURES THEREOF), IN BULK, SHEETS OR ROLLS and 68091990000 under HS Code Others were the top imported HS Codes by HEINAR TRADERS CORPORATION in 2021.