DOOSAN TESNA revenue for the last year amounted to 338.85 B KRW, the most of which — 338.65 B KRW — came from its highest performing source at the moment, Semiconductor Test Technology and Program Development Service, the year earlier bringing 277.66 B KRW. The greatest contribution to the revenue figure was made by South Korea — last year it brought DOOSAN TESNA 338.65 B KRW, and the year before that — 277.66 B KRW.