In the five-match tie comprising three singles and two doubles, Japan's Nozomi Okuhara gave a winning start to her team with a 17-21, 21-16, 21-15 win against China's Shixian Wang.
It was a clash of equals as Wang is ranked seven, while Okuhara is ranked just below her at eight. Okuhara lost the first game, but bounced back to win the remaining two games.
Japan's doubles pair of Misaki Matsutomo-Ayaka Takahashi continued their team's winning streak with a 21-12, 21-16 victory over China's Ying Luo and Qing Tian.
In the second doubles match that followed, China's Yu Luo and Yuanting Tang trounced the duo of Naoko Fukuman and Kurumi Yonao 21-11, 21-10.
China's Bingjiao He, who is ranked 31, humbled 16-ranked Yui Hashimoto in the final and decisive (singles) match to make her team the winners of Asia Team Championships in women's category.
The Indian women's team crashed out of the tournament in the quarterfinals.