BEIJING -- China's non-manufacturing sector posted slower growth in May, with a drop of the Purchasing Managers Index (PMI) for the sector, the China Federation of Logistics and Purchasing (CFLP) said Friday.

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As a key economic leading indicator, the PMI of non-manufacturing sector weakened to 61.9 percent in May, down 0.6 percentage point from April.

The PMI for non-manufacturing sector was 62.5 percent in April, 60.2 percent in March, 44.1 percent in February and 56.4 percent in January.

A reading above 50 percent indicates expansion while below 50 percent indicates contraction.