QLS HOLDINGS CO LTD revenue for the last year amounted to 8.36 B JPY, the most of which — 4.80 B JPY — came from its highest performing source at the moment, Daycare, the year earlier bringing 3.90 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought QLS HOLDINGS CO LTD 6.92 B JPY, and the year before that — 5.64 B JPY.