Li made the remarks at a high-level meeting on the Global Development Initiative held by China on the sidelines of the general debate of the 80th session of the United Nations General Assembly.
Li also said that China will launch another 2,000 "small and beautiful" livelihood projects in developing countries over the next five years.
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China will also carry out 200 marine development cooperation projects in the next five years to support small island developing states in enhancing their capacity for sustainable development, he added.