He snatched 150 kg to come first.

In jerk events he succeeded in 170 kg first to be followed by the successive lifts of 174kg and 175kg to come first.

He lifted a total of 325 kg, more than 9 kg than other players.

He is well known among the Koreans and the world weightlifting circle for his successful performance at the 2010 and 2013 World Weightlifting Championships and several other international tournaments.

He set a new Olympic record in snatch of the men's 62kg category at the 30th Olympic Games, setting a new world record in total points and becoming a gold medalist.

He renewed record of the Asian Games and the world record in the snatch events at the 17th Asian Games. He also came first in the jerk events at the Games.