CHINA PETROLEUM ENGINEERING revenue for the last year amounted to 80.34 B CNY, the most of which — 32.38 B CNY — came from its highest performing source at the moment, Oil and Gas Field Ground Engineering, the year earlier bringing 34.39 B CNY. The greatest contribution to the revenue figure was made by China — last year it brought CHINA PETROLEUM ENGINEERING 56.61 B CNY, and the year before that — 61.92 B CNY.