He was the general manager and then chairman of the China National Petroleum Corporation (CNPC), before being appointed the director of the State-owned Assets Supervision and Administration Commission (SASAC) in March 2013.
In June 2014, Jiang was expelled from the Chinese Communist Party; he was convicted on charges of abuse of power and bribery and sentenced to 16 years in prison.
In February 1999 he was made Assistant to the General Manager and the team leader in charge of the preparation for the initial public offering of China National Petroleum Corporation (CNPC).
[8] On September 1, 2013, Jiang was detained by the Central Commission for Discipline Inspection, the party's anti-graft agency, on suspicion of corruption, and was removed from his post as Chairman of SASAC.
It was widely speculated that Jiang's case was part of a bigger corruption probe whose ultimate target was former Politburo Standing Committee member Zhou Yongkang.
"[11] On October 12, 2015, the court found Jiang guilty on all counts, including accepting bribes, unidentified huge property, abuses of power, and sentenced him to 16 years in prison.