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The company just opened its tallest elevator test tower globally and a new elevator plant with a total investment of 800 million yuan (126.6 million U.S. dollars) in south China's Zhongshan City in its latest move to tap the world's largest elevator market.

Smog-prone Beijing has intensified measures in recent years to improve its air quality and has achieved remarkable results. The average density of PM2.5, a key indicator of air pollution, was 58 micrograms per cubic meter last year, 20.5 percent less than in 2016.

BEIJING, April 6 (Xinhua) -- China is fully prepared and will not hesitate to strike back fiercely if the United States unveils the list of 100-billion-U.S. dollar Chinese products subject to additional tariff hikes, the Ministry of Commerce (MOC) said.

This poses "a clear risk that the Trump trade war will disrupt the global trade engine and derail the ongoing global economic recovery," he said.

Wang Yiming, deputy director of the Development Research Center of the State Council, expected the group to have stronger and more sophisticated consumer demands.