It was Iran's sixth successive win in the competition underway in Tashkent, Uzbekistan, Tehran Times reported.
The young Persians had previously defeated Japan, Saudi Arabia, China, Kazakhstan and Uzbekistan in the competition.
Iran are scheduled to face winners of Uzbekistan and Pakistan on Saturday.
Top three teams at the end of the championship will secure their berths in the next year’s inaugural FIVB Volleyball Boys’ U17 World Championship.
It means Iran have qualified for the world championship.
MNA/TT