SIERRA METALS INC revenue for the last year amounted to 304.23 M CAD, the most of which — 166.11 M CAD — came from its highest performing source at the moment, Copper, the year earlier bringing 106.66 M CAD. The greatest contribution to the revenue figure was made by Mexico — last year it brought SIERRA METALS INC 164.22 M CAD, and the year before that — 107.37 M CAD.