Fanhui Shi Weixing () is a series of Chinese recoverable reconnaissance satellites. The satellites were used for both military and civilian observation needs, with a total of 26 flights. The first flight was FSW-0 on 1969-06-01 and the last SJ-8 on 2006-09-09. Four models of the satellites were introduced: FSW-0, FSW-1, FSW-2, and the most modern being FSW-3. All satellites were put in orbit using the Long March rockets, most of them by the CZ-2C type.