A trio of Chinese naval ships set sail in Shanghai on Sunday for a goodwill voyage to some 20 countries.

The group consists of missile destroyer Changchun, missile frigate Jingzhou and supply ship Chaohu from the People's Liberation Army Navy. It set sail from the Huangpu river port in Shanghai at 9:30 am.

The trio will visit around 20 countries in Asia, Europe, Africa and Oceania.