A production line is seen at the Haier Qingdao Washing Machine Interconnected Factory in Qingdao, east China's Shandong Province, May 12, 2026. (Photo: Xinhua)

BEIJING, May 31 (Xinhua) -- The purchasing managers' index (PMI) for China's manufacturing sector stood at 50 in May, down 0.3 percentage points from the previous month, official data showed Sunday.