The risk of potential malpractice in the management of overseas assets owned by State-owned enterprises remains unacceptably strong, the country's anti-graft authority has revealed.

The Central Commission for Disciplinary Inspection has released the results of an investigation into some of the country's biggest SOEs, including those in the energy, transportation, aviation and telecommunications sectors.

The results have under-lined the central government's intention to introduce tougher levels of corporate governance and more effective management of overseas interests.