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As the first satellite to constitute China's second-generation data relay satellite network, the Tianlian II-01 will provide data relay, measurement and control, transmission services for manned spacecraft, satellites, carrier rockets and other non-spacecraft users.

The EU stands ready to accelerate cooperation with China and play a positive role in jointly addressing global challenges, he said.

The Elders, initiated by former South African President Nelson Mandela in 2007, is an international non-governmental organization consisting of former leaders of countries and important international organizations. Its goal is to promote the resolution of conflict via dialogue and work on solutions for global problems such as poverty and disease.

The China-UN peace and development trust fund, its South-South cooperation assistance fund, and the intensified alignment of China's Belt and Road Initiative with the 2030 Agenda for sustainable development have played a significant role in promoting the sustainable development of developing countries, he said.

The exhibition will last until Aug. 11.