Doha: China on Monday sent two new test satellites into space from the Xichang Satellite Launch Center in the southwestern province of Sichuan. According to Qatar News Agency, the test satellites, Shiyan-30 01 and 02, were launched at 11:00 a.m. (Beijing Time) aboard a Long March-2D carrier rocket and entered their preset orbits successfully. The satellites will be mainly used for experimental verification of Earth observation technologies. The launch marked the 598th flight mission of the Long March series carrier rockets.