|Born||17 July 1982|
|Height||1.79 m (5 ft 10 in)|
|Weight||78 kg (172 lb)|
|Retired||22 March 2007|
|Event||Men's & mixed doubles|
Sang started representing China in the junior tournament, and at the 1998 and 2000 Asian Junior Championships, he helped the boys' team clinched the gold medal. He won the individual medals captured the boys' doubles gold and boys' singles silver in 1999, and also boys' doubles gold and mixed doubles silver in 2000. At the 2000 World Junior Championships, he won three gold medals in the boys' doubles, mixed doubles and team event.
Sang won the 2003 Indonesia Open in the men's doubles with partner Zheng Bo. In 2004 they defeated Denmark's Jens Eriksen and Martin Lundgaard in the Thomas Cup final to clinch the deciding third point for the Chinese team.
Sang competed for China in badminton at the 2004 Summer Olympics also in men's doubles with Zheng Bo. They had a bye in the first round and defeated Chan Chong Ming and Chew Choon Eng of Malaysia in the second. In the quarterfinals, Sang and Zheng lost 7-15, 11-15 to Korea's Kim Dong-moon and Ha Tae-kwon who went on to win the gold medal.
Sang retired on 22 March 2007, because of an injury.
|2003||National Indoor Arena, Birmingham, England||Zheng Bo|| Lars Paaske
World Junior Championships
|2000||Tianhe Gymnasium, Guangzhou, China||Zheng Bo|| Cao Chen
|7–5, 7–5, 2–7, 7–5||Gold|
|2000||Tianhe Gymnasium, Guangzhou, China||Zhang Yawen|| Zheng Bo
|7–3, 7–0, 8–6||Gold|
Asian Junior Championships
|1999||National Indoor Stadium – 1, Yangon, Myanmar||Xiao Li||15–9, 13–15, 6–15||Silver|
|1999||National Indoor Stadium – 1, Yangon, Myanmar||Chen Yu|| Hendri Kurniawan Saputra
Wandri Kurniawan Saputra
|2000||Nishiyama Park Gymnasium, Kyoto, Japan||Zheng Bo|| Jung Jae-sung
|17–16, 11–15, 15–12||Gold|
|2000||Nishiyama Park Gymnasium, Kyoto, Japan||Zhang Yawen|| Zheng Bo
IBF World Grand Prix
The World Badminton Grand Prix sanctioned by International Badminton Federation (IBF) since 1983.
|2003||Indonesia Open||Zheng Bo|| Tesana Panvisvas
|16–17, 17–15, 15–5||Winner|
|2004||Korea Open||Zheng Bo|| Luluk Hadiyanto
|2002||French International||Zheng Bo|| Cheng Rui
|7–8, 1–7, 3–7||Runner-up|
|2002||French International||Zhao Tingting|| Zheng Bo
|0–7, 4–7, 8–7, 7–3, 6–8||Runner-up|
- "Asian Juniors:Chinese Depth Sinks Malaysian Boys and Korean Girls". New Shuttlenws. Retrieved 24 April 2018.
- "中国囊括亚洲青年羽毛球锦标赛七项冠军" (in Chinese). Sina Sports. Retrieved 24 April 2018.
- "Asian Junior Championships: China Takes Four Of Five". New Shuttlenws. Retrieved 24 April 2018.
- "我羽球小將囊括亞青賽桂冠" (in Chinese). People's Daily. Retrieved 24 April 2018.
- "Chinese Juniors Sweep Badminton Titles". People's Daily. Retrieved 24 April 2018.
- "Sang Yang". China Internet Information Center. Retrieved 24 April 2018.
- "Badminton men's doubles results". BBC Sport. Retrieved 24 April 2018.
- "羽毛球世界冠军桑洋退役 昔男双蛟龙将执教鞭". sports.163.com (in Chinese). 23 March 2007. Archived from the original on 11 April 2018. Retrieved 4 October 2020.