Kazakhstan, Astana, 29 May / corr. Trend K. Konirova/ The vice president of the Kazmunaygaz oil and gas company to support business and right guarantee, Ulan Bayjanov, has stepped down from his position, the press service of the company said to the special correspondent of Trend .
The 50-year old Bayjanov took various posts in Kazmunaygaz since March 1999.