Zou Jiayi, commissioner of the National Supervisory Commission of China, speaks during the United Nations high-level debate to mark the 15th anniversary of the adoption of the UN Convention Against Corruption, at the UN headquarters in New York May 23, 2018. China is a champion of pragmatic cooperation under the UN Convention against Corruption and is grateful for the international support it received in hunting down corrupt criminals, Zou said here Wednesday. (Xinhua/Li Muzi)