They include Asian Indoor Games gold medallist, Nguyen Tran Duy Nhat from Ho Chi Minh City, Southeast Asian Games silver medallist Phan Thi Ngoc Linh of Ho Chi Minh City and kickboxer Van Dai.
Earlier, Vietnamese players won two golds, five silvers and two bronzes at the eight World Amateur Muay Thai Championships in Thailand on March 20.
At the world amateur event last year, Vietnamese boxers surprised the world by winning three golds and one bronze medal. They finished third out of 45 teams.
