SIIC ENVIRONMENT HOLDINGS LTD revenue for the last year amounted to 8.33 B HKD, the most of which — 5.64 B HKD — came from its highest performing source at the moment, Water and Sludge Treatment, the year earlier bringing 5.63 B HKD. The greatest contribution to the revenue figure was made by China — last year it brought SIIC ENVIRONMENT HOLDINGS LTD 8.49 B HKD, and the year before that — 9.90 B HKD.