29291010 under HS Code COMPOUNDS WITH OTHER NITROGEN FUNCTION - ISOCYANATES : PHENYL ISOCYANATE, 39072090 under HS Code POLYACETALS, OTHER POLYETHERS AND EPOXIDE RESINS, IN PRIMARY FORMS; POLYCARBONATES, ALKYD RESINS, POLYALLYLESTERS AND OTHER POLYESTERS, IN PRIMARY FORMS - OTHER POLYETHERS:OTHER, and 29053100 under HS Code ACYCLIC ALCOHOLS AND THEIR HALOGENATED, SULPHONATED, NITRATED OR NITROSATED DERIVATIVES - DIOLS : ETHYLENE GLYCOL (ETHANEDIOL) were the top imported HS Codes by C FOCUS VIETNAM CO LTD in 2021.