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As of today, the line has been in trial production for six days, with line speed hitting 500 masks per minute. The company has already delivered 3 million masks to the market, and production efficiency will increase in the future.

As of Monday, there have been nearly 10 million confirmed coronavirus cases in the US and more than 237,000 COVID-19 deaths, according to data from Johns Hopkins University.

As one of the world's few remaining freshwater cetaceans, the Yangtze finless porpoise, which has no dorsal fin, is found only in the Yangtze, as well as in two adjoining lakes, called Poyang and Dongting. Before 2006, the river system was home to two different species of dolphins, but the Baiji dolphin was declared functionally extinct in 2007.

As investment rates were significantly higher in China than in other countries, many economists believed that China had been relying too much on investment to drive economic growth, which not only generated overcapacity, but also a high leverage ratio in the corporate sector. Based on this premise, China's economic downturn could be blamed on excess aggregate supply, rather than insufficient aggregate demand, hence the need to cut overcapacity and deleverage.

As of Sept 3, 18,000 companies, 33 international organizations from 148 countries and regions, and 110 overseas trade associations had registered to take part in the event.