ZHENGZHOU COAL MINING MACHINERY GROUP CO.,LTD revenue for the last year amounted to 36.42 B CNY, the most of which — 18.85 B CNY — came from its highest performing source at the moment, Coal Mining Machinery, the year earlier bringing 16.76 B CNY. The greatest contribution to the revenue figure was made by China — last year it brought ZHENGZHOU COAL MINING MACHINERY GROUP CO.,LTD 23.56 B CNY, and the year before that — 21.72 B CNY.