KAORI HEAT TREATMENT CO revenue for the last year amounted to 4.33 B TWD, the most of which — 2.31 B TWD — came from its highest performing source at the moment, Heat Exchange, the year earlier bringing 1.56 B TWD. The greatest contribution to the revenue figure was made by America — last year it brought KAORI HEAT TREATMENT CO 1.98 B TWD, and the year before that — 1.33 B TWD.