WENCHANG, Hainan, Jan. 19 (Xinhua) -- China launched a Long March-12 carrier rocket on Monday in the southern island province of Hainan, sending a group of internet satellites into space.The rocket lifted off at 3:48 p.m. from the Hainan commercial spacecraft launch site. The payloads, the 19th group of low-orbit internet satellites, entered into preset orbit successfully. (Xinhua/Yang Guanyu)