Nguyen Che Thanh pocketed his title in the boys’ 15-17 age group. His teammate Bui Minh Phuong stood second in the girls’ pool.
Three other silvers went to duo Phan The Gia Hien and Tran Ha Vi (15-17 category); group of three (15-17 category) and group of five (above 18).
The only bronze went to Pham Nhat Phuong Trinh in the girls’ individual 15-17 age category.
The two-day World Cup drew participants from 15 countries, including powerhouses such as China, France, the Democratic People’s Republic of Korea and the Philippines.
They competed in two divisions for seniors (five categories) and age groups (eight categories).