Liu Yang, the first Chinese woman entering the space, had an excellent performance in past eight days, a spokeswoman of China's manned space program said Sunday.
Chinese space engineers are about 15 years younger on average than the average age of the space engineers in other countries.
Astronaut Liu Yang, one of China's two female reserve astronauts and a former air force pilot, will be China's first woman in space.
Shenzhou IX will orbit in space for more than 10 days, the longest manned flight ever by a Chinese spacecraft.
Liu Yang, one of the female candidates mostly likely to become an astronaut, has been described by her classmates and relatives as a quiet person who keeps a low profile.
32-year-old Wang Yaping - born in a village known for growing cherries in Shandong province -has flown four types of aircraft and soon possibly a spacecraft.
Astronaut candidates for the Shenzhou IX manned spacecraft attend a flag-raising ceremony at the Jiuquan Satellite Launch Center in Northwest China on June 10, 2012.
Authorities have completed the initial selection of crew members for China's first manned space docking mission, and the roster includes female astronauts.
One of China's two female astronaut candidates was once a hero pilot who successfully dealt with a mid-air emergency.