COPENHAGEN, Aug. 26 (Xinhua) -- Defending champions Chen Qingchen and Jia Yifan defeated their Chinese compatriots Zhang Shuxian and Zheng Yu 21-14, 21-16 here on Saturday and are set to make their fourth appearance in the women's doubles final of the BWF World Championships.
The top seeds have won all their previous three finals, and are only one victory away from becoming the most successful pair in the tourna