85022010 under HS Code ELECTRIC GENERATING SETS AND ROTARY CONVERTERS -GENERATING SETS WITH SPARK-IGNITION INTERNAL COMBUSTION PISTON ENGINES:ELECTRIC PORTABLE GENERATORS OF AN OUTPUT NOT EXCEEDING 3.5 KVA, 84818099 under HS Code Others, and 84819090 under HS Code TAPS, COCKS, VALVES AND SIMILAR APPLIANCES FOR PIPES, BOILER SHELLS, TANKS, VATS OR THE LIKE, INCLUDING PRESSURE-REDUCING VALVES AND THERMOSTATICALLY CONTROLLED VALVES - PARTS : OTHER were the top imported HS Codes by ECOTECH VIETNAM INDUSTRIAL JOINT STOCK COMPANY in 2021.