Vietnam will take on Indonesia in the final after the host team beat Taiwan (China) 3-2 in another semi-final.
The AVC Challenge Cup is an international competition in Asia and Oceania for unranked senior women's national teams of the members of the Asian Volleyball Confederation, the sport's continent governing body.
The winner will get a place at the FIVB Women’s Challenge Cup, which attracts teams from around the world to compete in France, in July.
