Moscow, May 11 -- General Secretary of the Communist Party of Vietnam Central Committee (CPV) To Lam received leaders of several leading Russian enterprises in the morning of May 11 (local time), as part of his official visit to Russia. Receiving General Director Kudryashov Sergei Ivanovich of Russian oil and gas company Zarubezhneft - one of Vietnam's leading partners in the sector, the Party chief affirmed that cooperation in energy and oil - gas remains a key pillar of the two countries' comprehensive strategic partnership. Ivanovich noted that Zarubezhneft is currently collaborating closely with the Vietnam National Industry - Energy Group (Petrovietnam) on oil and gas exploration projects both on Vietnam's continental shelf and withi...