He achieved two junior world records on his way to winning the gold in the men's weightlifting 56 kg category.

[4] Long failed to defend his title in 2010, losing out to compatriot Wu Jingbiao, and did not qualify for the 2011 Championships.

[5] He again lost out to Wu during the national trials for the 2012 Summer Olympics in London.

[6] Long took silver at the next World Championship meet in 2013, behind 2012 Olympic champion Om Yun-chol, and a bronze medal in 2014.

This biographical article relating to weightlifting in the People's Republic of China is a stub.