PETROCHINA CO revenue for the last year amounted to 3.31 T HKD, the most of which — 2.20 T HKD — came from its highest performing source at the moment, Sale, the year earlier bringing 2.62 T HKD. The greatest contribution to the revenue figure was made by China — last year it brought PETROCHINA CO 2.21 T HKD, and the year before that — 2.20 T HKD.