[4] In June 2011, it was reported that Gao had made two visits to North Korea in 2010 and had secured rights to develop Hwanggumpyong Island as an industrial complex.
[5] In August 2012, Gao announced that Sunbase would be investing RMB10 billion in oil refining, rubber and related industries in Anning City, Kunming, China.
[6] In March 2016, the District Court in Hong Kong revealed that Sunbase had failed to submit tax returns from 2003 to 2008 due to failure to compile financial statements and had been sued by the Inland Revenue Department.
In June 2016, it was reported that a total of eight organisations with votes on the committee had the same registered address as Sunbase, including the Association of Chinese Culture in Hong Kong of which he is chairman.
The secret offer, with a 10-day expiry, was accepted by the local town officials without public consultation or consideration at the national level, notwithstanding its economic, environmental and security significance.