WENCHANG, Hainan, Aug. 4 (Xinhua) -- China launched a Long March-12 carrier rocket on Monday, sending a group of internet satellites into space.

The rocket lifted off at 6:21 p.m. from the Hainan commercial spacecraft launch site in the southern island province of Hainan. It successfully placed the payloads, the seventh group of low-orbit internet satellites, into preset orbit.

The launch marked the 587th mission of the Long March series carrier rockets, according to the launch site.