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Shanghai math teaching methods first attracted widespread public attention when Shanghai topped the Organization for Economic Co-operation and Development's program for international student assessment (Pisa) rankings for 15- and 16-year-old students, in 2009 and 2012.

She added that the contest will contribute to the development of the Yangtze River Delta, encourage and support international collaboration, promote green technology, give businesses a chance to connect with potential partners and attract investment.

Shapuaisi－a phonetic translation of "sharp eyes"－includes celebrity endorsements in some of its advertisements, which claim that its eye drops can prevent and treat cataracts.

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Several disputes have appeared regarding to the legitimacy and ethics of using personal image data. In October, a park in Zhejiang province was sued for the collection and use of visitors' image details by a consumer, while an application in classroom to supervise the behavior of students also came under fire from parents.

Shanghai will also pull in strength to promote the construction of hard X-ray infrastructure and next generation of photon science facilities, among others, to support the development of integrated circuits, artificial intelligence and biomedicine, which the city has upheld as the three core strategic industries.

Shares of Alibaba, which trade on the New York Stock Exchange, rose .09, or 2.35 percent, to close at 8.09 in Tuesday trading.

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She added, “This online platform really creates an opportunity that Amazon has taken advantage of and it’s hurt a lot of little tiny businesses and startup businesses and small businesses and medium size businesses that can’t compete with a giant like Amazon that is sucking information out of every transaction. Information is today’s comparative advantage and Amazon shouldn’t be able to suck it all up and then dominate every single marketplace in America.”

Several key deals were signed and a monthlong cultural event also kicked off.

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Shared bikes block the street in Haidian district, Beijing, March 18, 2017. [Photo/IC]

She added that the company would continue to provide more kinds of calcium products for different consumer groups in China, such as babies, toddlers, pregnant women and adults.