WELLE ENVIRONMENTA revenue for the last year amounted to 2.21 B CNY, the most of which — 716.57 M CNY — came from its highest performing source at the moment, BOT Project Operations, the year earlier bringing 618.89 M CNY. The greatest contribution to the revenue figure was made by China — last year it brought WELLE ENVIRONMENTA 2.20 B CNY, and the year before that — 2.06 B CNY.