YAMAU HOLDINGS CO LTD revenue for the last year amounted to 18.51 B JPY, the most of which — 9.39 B JPY — came from its highest performing source at the moment, Concrete Product, the year earlier bringing 10.10 B JPY. The greatest contribution to the revenue figure was made by Japan — last year it brought YAMAU HOLDINGS CO LTD 18.51 B JPY, and the year before that — 19.50 B JPY.