An Earth-watching satellite developed by China and Brazil lifted off on a Long March 4B rocket, replacing an environmental craft lost in a launch mishap last year.
A Long March 2D rocket blasted off from a remote space base in northwest China on Thursday and climbed into orbit with a clandestine satellite to collect intelligence for the Chinese government.
China launched a Long March rocket last week with a satellite Western analysts believe will conduct all-weather global radar surveillance for the Chinese military.
China put an experimental Shijian military satellite into orbit Monday on top of a Long March rocket, marking the third Chinese space launch in a week.
China launched a demonstrator probe on a round-trip flight around the moon to test out a heat shield and landing capsule planned for use on a lunar sample return mission in 2017.