People shop at a duty-free store in Haikou, south China's Hainan Province, Jan. 1, 2026. (File photo: Xinhua)

BEIJING, March 31 (Xinhua) -- The purchasing managers' index (PMI) for China's non-manufacturing sector came in at 50.1 in March, up 0.6 percentage points from the previous month, official data showed Tuesday.