TETSUJIN HOLDINGS revenue for the last year amounted to 6.59 B JPY, the most of which — 3.68 B JPY — came from its highest performing source at the moment, Karaoke Room, the year earlier bringing 3.79 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought TETSUJIN HOLDINGS 6.59 B JPY, and the year before that — 5.88 B JPY.