SINOPEC OILFIELD SERVICE CORPORATIO revenue for the last year amounted to 87.99 B HKD, the most of which — 43.98 B HKD — came from its highest performing source at the moment, Drilling Engineering, the year earlier bringing 42.81 B HKD. The greatest contribution to the revenue figure was made by China — last year it brought SINOPEC OILFIELD SERVICE CORPORATIO 70.54 B HKD, and the year before that — 70.53 B HKD.