BEIJING - Chinese disciplinary and supervisory authorities have investigated 119,000 corruption cases during the first 11 months this year, slightly more than 115,000 of the same period last year, a senior anti-corruption official said Wednesday.

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Investigations of 108,000 cases of those have been concluded, Wu Yuliang, a senior member of the Communist Party of China Central Commission for Discipline Inspection (CCDI), said at a press conference in Beijing.

As a result, 113,000 individuals involved have been punished for violating the rules of CPC discipline or administrative discipline, and of them, 4,332 have been shifted to the custody of judicial authorities for violating laws, Wu said.

The press conference was held in Beijing to offer information concerning China's first white paper on anti-graft efforts, which was issued by the Information Office of the State Council Wednesday.

Wu said further efforts must be made to build an improved anti-corruption system that consisted of corruption prevention and punishment.