Speaking on the second day of a trip to Beijing marked by pomp and pageantry, Trump also decried China's "one-sided and unfair" trade surplus with the United States.
Donald Trump toured the Forbidden City with Chinese leader Xi Jinping on Wednesday as the US president began the crucial leg of an Asian trip intended to build a global front against North Korea's nuclear threats.
Xi Jinping's wide-ranging address laid out a confident vision for a more prosperous China and its place in the international community, stressing the importance of wiping out corruption and curbing industrial overcapacity.
Chinese President Xi Jinping has told Indian Prime Minister Narendra Modi that their two countries should pursue "healthy, stable bilateral ties", state media reported on Tuesday in the wake of a protracted border standoff.
China will host a symposium between Israel and the Palestinians later this year, an official said on Tuesday, as president Xi Jinping vowed to "ceaselessly" contribute towards peace in the region.
Chancellor Angela Merkel and Chinese President Xi Jinping opened on Wednesday a new Berlin zoo enclosure for two giant pandas on loan from China, as the two countries prepare for the Group of 20 summit.
China on Tuesday issued tighter rules for online news portals and network providers, the latest step in President Xi Jinping's push to secure the internet and maintain strict party control over content.
Chinese leader Xi Jinping has urged Donald Trump to peacefully resolve tensions over North Korea's nuclear programme, as the US president touted the power of a naval "armada" steaming towards the Korean peninsula.
President-elect Donald Trump has picked Iowa Governor Terry Branstad, who has longstanding ties to China's president, to serve as ambassador to Beijing, a spokesman confirmed on Wednesday.