In age-specific categories he won several medals. At the 2008 Asian Junior Championships he won a silver medal in the 4 × 100 metres relay and a gold medal in the 4 × 400 metres relay. At the 2010 Asian Junior Championships he won gold medals in the 200 metres, 4 × 100 and 4 × 400. At the 2008 World Junior Championships he competed in the 200 metres without progressing from the heat and finished eighth at the 2008 World Junior Championships. At the 2010 World Junior Championships he again competed in the 200 metres, reaching the semi-final, and finished sixth in the relay.