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Vice Premier Zhang said the breakthrough on the natural gas project and other large-scale projects helped drive the China-Russia comprehensive strategic partnership into a new era of development.

Representatives from the Chinese Embassy in Guinea and the Guinean International Cooperation Ministry will transfer the supplies at a ceremony at the airport.

Hailing the traditional China-Romania friendship, Xi said China highly appreciates Romania's firm support on issues involving China's core interests and major concern.

"I have been to China 15 times since 1978 and witnessed the tremendous changes in China, which are marvelous," he said.

Xi called on the two sides to promote mid- and long-term economic cooperation. China welcomes Kazakhstan to actively participate in the Shanghai Free Trade Zone, he said.