In 2004 the southpaw counterpuncher knocked out Emilio Correa in the welterweight finals of the 13th World Junior Championships in Jeju then he moved up to middleweight.

That year, he won the silver medal at the 48th World Military Boxing Championship in the 69 kg weight class.

In Doha at the 2006 Asian Games he won the final bout against Kazakhstan's Olympic welterweight champion Bakhtiyar Artayev 32–22.

At the 2009 World Amateur Boxing Championships he beat Abdelkader Bouhenia (FRA) in the semis, then lost to Artur Beterbiyev.

At the 2012 Olympics (results) he defeated Yahia El-Mekachari then lost to Russian favorite Egor Mekhontsev 15:19.