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, 29291020 under HS Code COMPOUNDS WITH OTHER NITROGEN FUNCTION - ISOCYANATES : TOLUENE DI-ISOCYANATE, and 84569090 under HS Code MACHINE-TOOLS FOR WORKING ANY MATERIAL BY REMOVAL OF MATERIAL, BY LASER OR OTHER LIGHT OR PHOTON BEAM, ULTRA-SONIC, ELECTRO-DISCHARGE, ELECTROCHEMICAL, ELECTRON BEAM, IONIC-BEAM OR PLASMA ARC PROCESSES - OTHER: --- OTHER were the top imported HS Codes by DA DA CO LTD in 2021.