NAGAOKA INTERNATIONAL CORPORATION revenue for the last year amounted to 9.51 B JPY, the most of which — 6.57 B JPY — came from its highest performing source at the moment, Energy Related, the year earlier bringing 5.53 B JPY. The greatest contribution to the revenue figure was made by China — last year it brought NAGAOKA INTERNATIONAL CORPORATION 3.09 B JPY, and the year before that — 2.68 B JPY.