EPISIL PRECISION INCORPORATION revenue for the last year amounted to 4.16 B TWD, the most of which — 2.92 B TWD — came from its highest performing source at the moment, Epitaxial Wafer, the year earlier bringing 3.25 B TWD. The greatest contribution to the revenue figure was made by Taiwan — last year it brought EPISIL PRECISION INCORPORATION 2.24 B TWD, and the year before that — 1.93 B TWD.