Having won a nanquan gold on the opening day of the competitions, Ramtin Siahmoshtei tallied 8.856 points for a silver medal in the boys’ nandao contest.
Tara Homafar, meanwhile, won a daoshu bronze, courtesy of an 8.710-point performance in the girls’ event.
Friday’s result came after the Iranians had won four talou medals, including double golds, on the first two days of the event in the Brunei capital.
Representing the country in the girls’ nangun event, Sana Chak scored 8.776 points to beat contestants from Indonesia and Turkey to the gold.
In the men’s draw, Arsham Khalilpour had to settle for a bronze medal behind Indonesian and Singaporean athletes with 8.500 points in the changquan contest.
Sana Panahi finished runner-up in the women’s event changquan with 8.503 points.