Noted for a style that combined impressive power and movement, she retired from competition after her victory in the 1996 Atlanta Olympics, shortly before her 24th birthday.

She had a bye in the first round, defeated Catrine Bengtsson of Sweden in the second and Hisuko Mizui of Japan in the third.

She won the gold medal in women's singles without dropping a game in any match, defeating Susi Susanti in semifinals 11–9, 11–8, and Mia Audina in the final, 11–6, 11–7.

Bang won the quadrennial Asian Games in 1994, and the prestigious All England Open Badminton Championships over Ye Zhaoying in 1996, having been a runner-up in close matches in both 1992 and 1993.

Her other titles included the Welsh (1989), Hong Kong (1992), South Korea (1993, 1994, 1996), Swedish (1993, 1994), and Canadian (1995) Opens.