China successfully launched three satellites for scientific experiments into space at 7:37 a.m. Saturday, the Chinese News Agency (Xinhua) reported. The Chuangxin-3, Shiyan-7 and Shijian-15 satellites were boosted by a Long March-4C carrier rocket, according to the center in north China’s Shanxi Province. The three satellites will be used mainly for conducting scientific experiments on space maintenance technologies.