ALT CO.,LTD. revenue for the last year amounted to 47.70 B KRW, the most of which — 38.47 B KRW — came from its highest performing source at the moment, Test Sales, the year earlier bringing 36.37 B KRW. The greatest contribution to the revenue figure was made by Overseas — last year it brought ALT CO.,LTD. 34.99 B KRW, and the year before that — 26.15 B KRW.