Hosseini claimed the ultimate prize of the gunshu event to take Iran’s tally in the men’s taolu to two medals.
Shahin Banitalebi settled for a bronze in the nanquan contest, finishing behind the host’s Cao Maoyan and Ziu Lizong of Hong Kong.
Elsewhere in the Games, Iran’s poomsae squad finished its campaign with four bronze medals.
The Iranian trio of Seyyed Ali Zare’, Reza Jalalifar, and Morteza Zendehdel shared the third podium with Vietnam in the men’s team event – a second bronze for Zendehdel following a third-spot finish in the individual competition.
South Korea won the team gold, with China taking the silver.
In the women’s contests, Yasaman Limouchi won the individual bronze and was also part of the Iranian side – alongside Mobina Sharifi and Reihaneh Moqaddam – that won the team bronze.
Vietnam took the other bronze while South Korea and China again scooped the gold and silver medals respectively.