Discus thrower known for being the first Chinese athlete to win a world title in the sport. She won a silver medal at the 2012 Olympics.
She first competed for her country at the 1999 World Championships. She won her first medal, a bronze, at the 2000 Asian Championships.
She attended Tianjin Norman University and has won gold medals at the Asian Championships, East Asian Games, and Continental Cup.
She grew up in Heilongjiang, China.
While she actually finished third at the 2012 Games, second-place Darya Pishchalnikova was disqualified after testing positive for steroids, giving the silver to Yanfeng.