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Huge infrastructural projects like the standard gauge railway (SGR) may take long to yield returns, but they are solid and valid assets, whose value will grow in time, he stressed.
China is now the world's second largest economy, the largest manufacturer, the largest trader in goods, and holder of the largest foreign exchange reserves, he said.
China is willing to work with countries including Austria to uphold multilateralism and free trade, work together to address global challenges, and promote the building of a community of shared future for the mankind, said Li.
Xi said China-Brazil relations are at a key point to build on past achievements to open up a new horizon.
Commending the progress of cooperation between the two countries, Li said Niger is China's important cooperation partner in Africa.
来源：资阳报