CHANGZHENG ENGINEERING CO.,LTD revenue for the last year amounted to 2.81 B CNY, the most of which — 2.01 B CNY — came from its highest performing source at the moment, Patented, Proprietary and General Equipment, the year earlier bringing 1.56 B CNY. The greatest contribution to the revenue figure was made by China — last year it brought CHANGZHENG ENGINEERING CO.,LTD 2.81 B CNY, and the year before that — 2.51 B CNY.