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China maintained its 14th place ranking in the Global Innovation Index 2020 released on Wednesday, and is the only middle-income economy that has been included in the top 30 for years, yicai.com reported Friday.

China will continue to compile such plans to boost regional development, Shen said, and could finish plans for a total of 19 city clusters by 2020. Last year, China compiled a development plan for six city clusters, with eight to be done in the coming two years.

China urged the United States to treat its investors and enterprises objectively and fairly, the Ministry of Commerce said on Tuesday, adding it will closely monitor the impact of the latest US foreign investment act on Chinese interests.

China relies heavily on imported soybeans as a source of raw material for edible oil and animal feed. 

China is willing to promote development, maintain security and share results with other countries in the field of artificial intelligence, President Xi Jinping said on Monday in a congratulatory letter at the start of a gathering in Shanghai that has drawn some of the world's top AI luminaries.