ZHENGZHOU COAL MINING MACHINERY GRO revenue for the last year amounted to 39.44 B HKD, the most of which — 20.83 B HKD — came from its highest performing source at the moment, Coal Mining Machinery, the year earlier bringing 19.49 B HKD. The greatest contribution to the revenue figure was made by China — last year it brought ZHENGZHOU COAL MINING MACHINERY GRO 26.04 B HKD, and the year before that — 25.25 B HKD.