CHINA OILFIELD SERVICES revenue for the last year amounted to 48.53 B HKD, the most of which — 28.46 B HKD — came from its highest performing source at the moment, Oilfield Technical Services, the year earlier bringing 22.79 B HKD. The greatest contribution to the revenue figure was made by China — last year it brought CHINA OILFIELD SERVICES 38.28 B HKD, and the year before that — 34.17 B HKD.