Tong was born into a Manchurian family in the city of Harbin, China, the home of Chinese pair skating.

They won the silver medal at the Cup of China, the Asian Winter Games, and the Four Continents Championships.

They came back strong midseason by winning the bronze at the Grand Prix Final and their third Four Continents title.

In the 2010 Winter Olympics, Pang and Tong set a new World Record for the free skate with a score of 141.81 points.

[7] For the 2010–2011 ISU Grand Prix season, Pang and Tong were assigned to the 2010 NHK Trophy and to the 2010 Cup of China.

Pang and Tong withdrew from their assigned 2011–12 Grand Prix events,[8] however, returned to competition in January 2012, where they won gold at the Chinese National Winter Games.

They competed at and finished fourth at the 2012 World Championships in what was their only ISU international event of the season.

For the 2012–13 season, Pang and Tong medaled at both their Grand Prix events, taking second at 2012 Skate America and first at 2012 Cup of China.

During the 2013–14 season, Pang and Tong finished second at 2013 Cup of China and first at 2013 Trophée Éric Bompard before winning bronze again at the 2013–14 Grand Prix of Figure Skating Final.

Although they had not spoken about their personal lives, Pang and Tong revealed publicly in an issue of Vanity Fair during the 2010 Winter Olympics that they were romantically involved.

In June 2011, the pair became engaged after Tong proposed on-ice to Pang at a show in Shanghai.