CORETRONICS CORP revenue for the last year amounted to 39.49 B TWD, the most of which — 17.51 B TWD — came from its highest performing source at the moment, Energy-Saving Products, the year earlier bringing 22.59 B TWD. The greatest contribution to the revenue figure was made by China (including Hong Kong) — last year it brought CORETRONICS CORP 11.96 B TWD, and the year before that — 18.39 B TWD.