Some reports said fumes were leaking from spray cans that had been collected for disposal at a real estate company in the building.
Some 70 percent of dealers polled said they had seen "almost no customers" since the end of January.
Sogou's Wang said he believes Google remains the leader in the field of smart speakers, because search-engine companies cultivate experience and gather data in providing answers to users' questions.
Some Chinese carmakers are even facing difficulty in surviving. Haima Automobile plans to rescue its vehicle business by selling real estates in Haikou, Hainan province.
Some 40 Turkish firms will be participating in the expo, said the Istanbul Chemicals and Chemical Products Exporters Association that coordinates Turkey's participation in the Shanghai event.
Some may have been entitled to benefits for low-income groups or impoverished families, but officials said there's no assistance tailored to the group, who are vulnerable to harm and could possibly follow the path of their parents.
信息优化排名
Some extended their help beyond the student community. And the Chinese student association at Columbia University donated protective coveralls to the New York-Presbyterian Queens hospital.
Some 45,000 people were estimated to visit the tourism expo, where more than 500 exhibitors from 30 countries have been registered to take part.
Some 34 percent of the companies come from developed countries, 34 percent from countries covered by the China-proposed Belt and Road Initiative, and 10 percent come from less developed countries.
Some 1,500 cows have been raised in the pasture to date. The plan is to set up a production facility with annual capacity of 50,000 metric tons after the first-phase factory is completed in its neighborhood.