October 7, 2015

"China launched a group of four satellites on Wednesday at noon for commercial remote-sensing services, an important step in the development of remote-sensing space technology.

The 'Jilin-1' satellites, launched from the Jiuquan Satellite Launch Center in northwest China's Gansu Province, include one optical remote-sensing satellite, two satellites for video imaging and another for imaging technique testing, according to an announcement from the launch center."

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http://news.xinhuanet.com/english/2015-10/07/c_134689715.htm