The event was themed "collectively building the 21st Century Maritime Silk Road and creating a community of common destiny".
Jiang Jianguo is the director of China's State Council Information Office.
He explains why mutual trust and collaboration are so important to this initiative.
"Maritime Silk Road enables countries along it to live together as a big family. It is a community of common destiny. Currently, the Maritime Silk Road has entered a new stage of pragmatic cooperation. We can step up collaboration to reach a win-win situation. Through this we can continue to bring prosperity and progress by jointly accomplishing programs and creating common inter
