85319090 under HS Code Others, 85311010 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: BURGLAR ALARM, and 85371019 under HS Code Others were the top imported HS Codes by NA NO CONSTRUCTION COMPUTER SERVICES AND TRADING PRODUCTION JOINT STOCK COMPANY in 2021.