Aerial photo taken on May 7, 2021 shows a view of the West Lake scenic area in Hangzhou, capital of east China's Zhejiang Province. (Photo by Long Wei/Xinhua)

Chinese President Xi Jinping has sent a congratulatory letter to the China Quality Conference, which opened Thursday in Hangzhou, capital city of east China's Zhejiang Province. 

(Editor: Zhou Xunnan)