PETROVIETNAM TECHNICAL SERVICES CP revenue for the last year amounted to 22.50 T VND, the most of which — 13.77 T VND — came from its highest performing source at the moment, Mechanical and Construction, the year earlier bringing 11.17 T VND. The greatest contribution to the revenue figure was made by Vietnam — last year it brought PETROVIETNAM TECHNICAL SERVICES CP 23.77 T VND, and the year before that — 19.37 T VND.