Since 1996, numerous Chinese state-controlled enterprises have been hard at work in Sudan cultivating energy relationships.

CENTERFORSECURITYPOLICY: Sudan��s Chinese guardian

China has an expansive definition of state secrets, and audit working papers, particularly relating to state-controlled enterprises, may be considered state secrets.

WSJ: Business Asia: There's No Accounting for China's Accounting

Between 1995 and 2001 the number of state-owned and state-controlled enterprises fell by nearly two-thirds, from 1.2m to 468, 000, and the proportion of urban workers employed in the state sector fell by nearly half, from 59% to 32%.

ECONOMIST: The hidden costs of state capitalism

Transparency is a new concept for Chinese companies, especially for state-owned enterprises and state-controlled public companies, whose top executives are usually appointed by the government.

WSJ: A Chinese CEO Opens Up

Coming under special attention are Finance (controlled by the National Mandate Party), State Enterprises (PDI-P), and Forestry and Plantations (Justice Party).

CNN: Securing His Place