ALT CO.,LTD. revenue for the last year amounted to 47.70 B KRW, the most of which — 30.48 B KRW — came from its highest performing source at the moment, Test Sales, the year earlier bringing 38.47 B KRW. The greatest contribution to the revenue figure was made by Overseas — last year it brought ALT CO.,LTD. 25.80 B KRW, and the year before that — 34.99 B KRW.