SUMITOMO SEIKA CHEMICALS CO revenue for the last year amounted to 142.99 B JPY, the most of which — 106.42 B JPY — came from its highest performing source at the moment, Water-absorbent Resin, the year earlier bringing 105.55 B JPY. The greatest contribution to the revenue figure was made by China — last year it brought SUMITOMO SEIKA CHEMICALS CO 39.04 B JPY, and the year before that — 38.26 B JPY.