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China responded by saying that it has done its best, and the initiators of a problem should resolve it, said Foreign Ministry spokeswoman Hua Chunying.

China will continue to deepen mutually beneficial economic and trade cooperation with Africa, and help the continent foster new drivers of organic growth, the Ministry of Commerce said on Tuesday.

China reiterated on Tuesday its pledge to open its markets wider to foreign competition as the nation continues its role as a defender of free trade and cooperation in contrast to growing protectionism and unilateralism in the United States, manifested by the Trump administration's notorious "America First" approach.

China supports European integration and hopes the EU can stride toward prosperity with internal solidarity, which is beneficial to multilateralism and China's interests, Li said. There is great potential for China-German cooperation for higher-level exchanges, he said.

China released a guideline on large aircraft projects in 2006 which has resulted in three large aircraft models.