LAND MARK OPTOELECTRONICS CORP revenue for the last year amounted to 1.21 B TWD, the most of which — 1.19 B TWD — came from its highest performing source at the moment, Epitaxial Wafers and Processed Products, the year earlier bringing 1.05 B TWD. The greatest contribution to the revenue figure was made by China — last year it brought LAND MARK OPTOELECTRONICS CORP 887.03 M TWD, and the year before that — 755.87 M TWD.