Before the 2001 World Championships he had made his mark in Asian athletics. He started with a bronze medal at the 1993 East Asian Games. At the Asian Championships he won silver medals in 1993, 1995. He won the silver medal at the 1994 Asian Games and then took his first title 1997 East Asian Games. A silver medal at the 1998 Asian Championship was followed by a gold medal at the 1998 Asian Games. In global events, he finished eighth at the 1992 World Junior Championships, tenth at the 1997 World Championships and ninth at the 2000 Olympic Games.