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Dai Hong, former official of the Standardization Administration of China, delivers a speech at the conference in Beijing on June 19-20. [Photo provided to chinadaily.com.cn]

Dahl, who referred to Amazon’s early years as “wacky” and “intense” and “exhilarating,” recalled a lot of the experimentation that went into trying to figure out how to make the company work, the constant tinkering. One year they would order books from publishers, then they would look at the metrics and switch to ordering from wholesalers. They’d look at the numbers again and switch back to publishers.

DJI is catering to that market, "launching products that are in great demand for expeditions and for agriculture," he said, referring to products including drone-equipped cameras used in mining and inspection of buildings for damage.

Deep-sea vessels should avoid operating in disputed waters and take intensified security measures when passing high-risk areas such as those prone to pirates.

Daily railway passenger trips during the holiday, running from May 1 to 5, are expected to reach 5 million, about one-third of the level seen during last year's same period. The number of daily road trips for the holiday is expected to reach 17.98 million.