YUNNAN ENERGY INV. revenue for the last year amounted to 2.90 B CNY, the most of which — 1.38 B CNY — came from its highest performing source at the moment, Salt, the year earlier bringing 1.51 B CNY. The greatest contribution to the revenue figure was made by China — last year it brought YUNNAN ENERGY INV. 2.90 B CNY, and the year before that — 2.61 B CNY.