File photo of Su Shulin.

Su Shulin, governor of east China's Fujian Province, has been put under investigation for suspected serious disciplinary offenses, the top anti-graft authority said Wednesday.

Su is the first incumbent governor to be investigated since the 18th CPC National Congress in 2012, thepaper.cn said.

The CPC Central Commission for Discipline Inspection did not give further details about Su's suspected 'disciplinary violations'.

Su was chairman of China Petroleum and Chemical Corporation, or Sinopec Corp, before his appointment in Fujian.

Su, 53, was expected to have a more prospective career development within the Party leadership because of his accomplishments and relatively young age.

Several sources told China's financial magazine Caixin that Su's case was related to discoveries made about Sinopec by inspection teams from the government's audit office.

It was not possible to reach Su for comment and it was not immediately clear if he has any legal representation.

Chinese President Xi Jinping has targeted the energy industry in his campaign against graft. CNPC was a power base for disgraced former domestic security chief Zhou Yongkang, who was jailed for life for corruption in June.

Su appeared in public on Sept 30, when he attended a memorial ceremony to mark Martyrs' Day in Fuzhou.