85311020 under HS Code ELECTRIC SOUND OR VISUAL SIGNALLING APPARATUS (FOR EXAMPLE, BELLS, SIRENS, INDICATOR PANELS, BURGLAR OR FIRE ALARMS), OTHER THAN THOSE OF HEADING 8512 OR 8530 -BURGLAR OR FIRE ALARMS AND SIMILAR APPARATUS: FIRE ALARM, 84241090 under HS Code Others, and 59090010 under HS Code TEXTILE HOSE PIPING AND SIMILAR TEXTILE TUBING, WITH OR WITHOUT LINING, ARMOUR OR ACCESSORIES OF OTHER MATERIALS - TEXTILE HOSE PIPING AND SIMILAR TEXTILE TUBING, WITH OR WITHOUT LINING, ARMOUR OR ACCESSORIES OF OTHER MATERIALS : OF COTTON were the top imported HS Codes by QUOC NAM TECHNOLOGY ENGINEERING COMPANY LIMITED in 2023.