TOPCO TECHNOLOGIES CORP. revenue for the last year amounted to 7.00 B TWD, the most of which — 6.17 B TWD — came from its highest performing source at the moment, Chemicals Related Products, the year earlier bringing 7.78 B TWD. The greatest contribution to the revenue figure was made by Overseas — last year it brought TOPCO TECHNOLOGIES CORP. 3.86 B TWD, and the year before that — 4.68 B TWD.