The anti-corruption mechanism can be further improved, said Tuo Zhen, spokesperson for the 19th CPC National Congress on Tuesday while fielding questions from the media during a press conference ahead of the start of the Party Congress. He also mentioned that since the 18th Party Congress the CPC Central Committee has unswervingly advanced the campaign to strengthen self governance of the Party in all respects and tightened the requirements on this election management and supervision officials.