After the Group of 20 summit, the Republican president will head to Seoul.
Highlighting the importance of Modi-Xi-Putin meeting at Osaka, China's Assistant Foreign Minister Zhang Jun said, "Given the current worldwide landscape, the meeting among the three leaders is also of significance. The mechanism of China, India, Russia trilateral meeting has maintained a sound momentum of development", Zhang said at a press conference.
US Secretary of State Mike Pompeo later said Trump would discuss Hong Kong with Xi at the Group of 20 Summit, which is taking place in Osaka, Japan on Friday and Saturday.
Chinese officials also said they will not be the only ones to compromise or make concessions.
India hit back by imposing tariffs on U.S. products which it had held off for long.
"In the upcoming Osaka summit President Xi will have an informal summit with the BRICS leaders".
On China's refusal to address the Hong Kong protests at the G-20, Mr Sham responded: "If you think that you do not need to explain what happens in your country to the world because they are internal affairs, then China, you should withdraw from the United Nations".
The leaders will have good discussions and exchange of views to enhance cooperation to better meet the major challenges facing the worldwide community, uphold the multilateralism and oppose protectionism, he said.
"Indeed, during the Osaka summit, the leaders of China, Russia and India will have a trilateral meeting".
"As you know, China's relations with India and Russian Federation are showing a sound momentum of growth, and the leaders of the three countries have also maintained close exchanges. And this time, given the current worldwide landscape, the meeting of the three leaders is also of great significance", he said, when asked to comment on the geopolitical and geo-economic significance of the trilateral summit.
"At the same time, it can provide impetus for the three countries to enhance cooperation at bilateral level and enhance mutual trust.We are confident that the meeting will produce positive results", he said.
After waging a damaging trade war on China, Trump seems to have turned to India.
"In holding this rally, we are facing the world, posing several questions to the leaders of 20 countries: Do Hong Kongers deserve democracy?"
The Trump administration has accused China of failing to protect intellectual property rights, forced technology transfers and failing to provide a level playing field for United States companies.