The story
In May 2001, XinAo Gas was first listed on the Growth Enterprise Market (GEM) on the Hong Kong Stock Exchange with the stock code of 8159.HK. In June 2002 the Company transferred from GEM to the Main Board, with the new stock code of 2688.HK. On 22 September 2010, the firm was renamed as ENN Energy Holdings Limited.
From Wikipedia’s article on ENN Energy, shared under CC BY-SA 4.0.3