OFFSHORE OIL ENGINEERING revenue for the last year amounted to 30.75 B CNY, the most of which — 22.62 B CNY — came from its highest performing source at the moment, Marine Engineering, the year earlier bringing 20.42 B CNY. The greatest contribution to the revenue figure was made by China — last year it brought OFFSHORE OIL ENGINEERING 24.76 B CNY, and the year before that — 22.19 B CNY.