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China's top emergency management authority has vowed to upgrade its response times to guarantee immediate rescue action after major declines last year in casualties and economic losses from disasters and workplace accidents.

China's railway network had a total length of 141,400 kilometers by the end of last month, of which 36,000 km were high-speed railways, the national railway operator said on Saturday. The country invested 67.1 billion yuan (.67 billion) in rail fixed assets in July, up 3.6 percent year-on-year, China Railway Corp said in a statement posted on its website. During the first seven months of this year, 1,310 km of new railway lines were put into service, including 733 km of high-speed railway, the statement said.

China's top internet of things (IoT) event, the 2018 World Internet of Things Exposition, will be held from Sept 15 to 18 to feature the latest IoT applications and products.

China, which suffered from the COVID-19 pandemic's blow earlier than other countries, has seen a strong recovery after the first quarter lockdown, with growth revised up to 1.9 percent this year, "a rare positive figure in a sea of negatives," the IMF official said.

China's policies to counter an economic slowdown have already started taking effect, as seen in the average 9.4 percent annual GDP growth during the past four decades with very moderate volatility, Liu said at a forum held by the National School of Development of Peking University on Saturday.