Roh Youngjin and Lee Yongjin triumphed in the respective BC1 and BC2 finals at the Shabab Al Ahli Club.

Roh, a rookie and Seoul Regional Championships gold medallist, rallied from behind to beat Indonesia's Muhamad Syafa 4-3.

Trailing 3-1 until the last minute, the South Korean got his final throw closest to the target to defeat his opponent.

Malaysia's Chew Wei Lun took the bronze medal after winning 3-2 against South Korea's Kim Dohyun.

In the BC2 final, Lee stormed to a 5-1 victory over Indonesia's Felix Ardi Yudha to take the top honour.

Indonesia's Muhammad Bintang Satria Herlangga claimed the bronze medal.

Lin Ximei secured the only gold medal for China on the day, emerging a 4-2 winner over South Korea's Jang Seongyuk in the BC4 final.

South Korea's Seo Hyeon Seok was the bronze medallist after a 3-2 win over Hong Kong's Cheung Yuen.

The BC3 final was an all-Australian affair, with Daniel Michel overcoming Spencer Cotie 3-2 for the title.

The bronze medal went to South Korea's Choi Yejin, who beat compatriot Kwon Jong Ho 5-1 in the third-place playoff.

South Korea's team manager Im Gwangtaek was pleased with the country's overall performance.

"This is the last competition for 2020 Tokyo Paralympics quota," Im said.

"We have already got BC1/2 team and BC3 quotas. 

"This is the first competition in which the Korean national team and Korean regional team are together. 

"So, it's a meaningful competition for us."