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China is the world's biggest pork producer and consumer, producing about half of the world's total. Over the past 10 years, Chinese hog farmers raised more than 650 million pigs, with an annual pork consumption of 50 million tons.

China imported 1.22 million vehicles last year, according to the General Administration of Customs, and around one fifth of them were made in the US, including those from Tesla and Lincoln as well as some models bearing BMW and Mercedes-Benz marques.

China has pledged to do its best to offer aid to countries and international organizations affected by COVID-19 to help contain the outbreak, and businesses are being urged to boost production of epidemic prevention materials to meet demand from abroad.

China hopes to combine its advantage in talent resources with advanced technologies overseas, and make good use of the internet platform, to promote technological progress that the world can share and benefit from, Li said.

China has total desert area of more than 2.6 million square kilometers, according to the sixth Kubuqi International Desert Forum held last week.