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Tepid global demand and slowing domestic economy have dealt a blow to China's foreign trade. It fell 7 percent year on year in 2015, with exports down 1.8 percent and imports down 13.2 percent.

The foreign minister reiterated China's stance on the South China Sea, saying the disputes should be peacefully settled through dialogue and negotiation between directly-involved countries, based on international law and the Declaration on the Conduct of Parties in the South China Sea (DOC).

For Autoboty, another Chinese medium-sized enterprise specialized in automatic system, innovation has proved vital.

Liu stressed that it's necessary to ensure full and effective implementation of the DOC, deepen practical maritime cooperation and enhance mutual trust, adding "deviation from the DOC will lead to negative consequences."

As for ties with Nigeria, Li said that China is ready to help promote the African country's industrialization through enhancing production capacity cooperation, spearheaded by infrastructure projects including railway, highway, and hydropower construction.