SIIC ENVIRONMENT revenue for the last year amounted to 1.41 B SGD, the most of which — 953.58 M SGD — came from its highest performing source at the moment, Water and Sludge Treatment, the year earlier bringing 966.79 M SGD. The greatest contribution to the revenue figure was made by China — last year it brought SIIC ENVIRONMENT 1.44 B SGD, and the year before that — 1.70 B SGD.