Later reports suggested that Sun had handed over key details of the aircraft carrier Liaoning to CIA.
He spent 27 years working at Dalian Shipbuilding Industry Co., Ltd before serving as General Manager of China Shipbuilding Industry Corporation (CSIC), a position at vice-ministerial level.
[4] On December 27, he was expelled from the Chinese Communist Party (CCP) and removed from public office.
[7] On July 4, 2019, Sun was sentenced to 12 years in prison for taking bribes of 8.64 million yuan and abuse of power by Shanghai First Intermediate People's Court.
His superior, Hu Wenming, former chairman of China State Shipbuilding Corporation, was placed under investigation by the Central Commission for Discipline Inspection in December 2020.