32064990 under HS Code OTHER COLOURING MATTER; PREPARATIONS AS SPECIFIED IN NOTE 3 TO THIS CHAPTER, OTHER THAN THOSE OF HEADINGS 3203, 3204 OR 3205; INORGANIC PRODUCTS OF A KIND USED AS LUMINOPHORES, WHETHER OR NOT CHEMICALLY DEFINED - OTHER COLOURING MATTER AND OTHER PREPARATIONS : OTHER : OTHER, 32041790 under HS Code SYNTHETIC ORGANIC COLOURING MATTER, WHETHER OR NOT CHEMICALLY DEFINED; PREPARATIONS AS SPECIFIED IN NOTE 3 TO THIS CHAPTER BASED ON SYNTHETIC ORGANIC COLOURING MATTER; SYNTHETIC ORGANIC PRODUCTS OF A KIND USED AS FLUORESCENT BRIGHTENING AGENTS OR AS LUMINOPHORES, WHETHER OR NOT CHEMICALLY DEFINED - SYNTHETIC ORGANIC COLOURING MATTER AND PREPARATIONS BASED THEREON AS SPECIFIED IN NOTE 3 TO THIS CHAPTER : PIGMENTS AND PREPARATIONS BASED THEREON : OTHER, and 39031910 under HS Code POLYMERS OF STYRENE, IN PRIMARY FORMS - POLYSTYRENE: OTHER: MOULDING POWDER were the top imported HS Codes by ADVERTISEMENT OF CLARIANT VIETNAM CO LIMITED IN HA NOI in 2021.