BEIJING, April 1 (Xinhua) -- China will add fentanyl-related substances to a supplementary list of controlled narcotic drugs and psychotropic substances with non-medical use since May 1.

The decision was announced Monday in a joint statement by the Ministry of Public Security, the National Health Commission and the National Medical Products Administration.

Fentanyl and its analogues that were previously included in the list of controlled narcotic drugs and psychotropic substances, as well as the related substances in the supplementary list, will remain to be controlled according to relevant regulations, the statement said.