Education
He also finished seventh in the 4x400 metres relay at the 2005 Summer Universiade.
He also finished seventh in the 4x400 metres relay at the 2005 Summer Universiade.
He finished fourth at the 2006 Asian Games. He also competed at the World Championships in 2003, 2005 and 2007 as well as the Olympic Games in 2004 and the 2008 without reaching the final.
He finished fifth at the 2002 World Junior Championships, won the silver medal at the 2001 Summer Universiade and finished ninth at the 2006 World Cup. On the regional level he won the bronze medal at the 2002 Asian Championships, the silver medals at the 2003 and 2005 Asian Championships and the gold medal at the 2007 Asian Championships. He also won a gold in the Athletics at the 2003 Afro-Asian Games. His personal best time is 48.46 seconds, achieved at the 2001 Summer Universiade in Beijing.