74111000 under HS Code COPPER TUBES AND PIPES - OF REFINED COPPER, 74122091 under HS Code Others, and 68062000 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 EXFOLIATED VERMICULITE, EXPANDED CLAYS, FOAMED SLAG AND SIMILAR EXPANDED MINERAL MATERIALS (INCLUDING INTERMIXTURES THEREOF) were the top imported HS Codes by SAMWON COPPER TUBE INDONESIA in 2021.