China's manufacturing sector barely held its ground in May, with official data showing activity slipping to its weakest reading in three months as the fallout from the Iran war and entrenched domestic weakness raise fresh doubts about Beijing's growth ambitions.

Reuters poll forecasts China's May manufacturing PMI at 50, down from April's 50.3, as weak domestic demand and rising costs pressure Beijing to act.

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.

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China's manufacturing activity slowed in May, with the official factory PMI slipping to 50 from 50.3 in April, as a five-day holiday disruption and pressures from weaker global…