| Company | Share | Date / Documentation |
|---|---|---|
| Ltd Bi-si-ji -kvleva | 50% (Former) 50% (Former) 50% (Former) 50% (Former) 50% (Former) 50% (Former) 50% (Former) 50% (Former) 50% (Former) 50% (Former) June 5, 2014 January 28, 2014 October 3, 2013 June 11, 2013 April 19, 2013 January 15, 2013 February 1, 2012 September 16, 2011 August 16, 2011 May 28, 2010 | |
| Ltd Niu Enerji | 100% 100% October 27, 2022 November 29, 2021 | |