In May, US manufacturing activity expanded for the 34th consecutive month, but the pace of manufacturing activity expansion slowed during the month.

According to the report, the U.S. manufacturing purchasing managers' index for the month was 53.5, down from 54.8 in April.

The US Manufacturing Purchasing Managers' Index is a barometer for measuring the overall development of the U.S. manufacturing industry. The index is at the critical point of 50. Above 50 indicates that the manufacturing industry is in an expanding state, and below 50 indicates that the manufacturing industry is in a contraction state.

In terms of sub-sectors, out of the 18 manufacturing industries, there were 13 industries that expanded during the month, which was less than the scale of expansion of 16 industries in the previous month. The industries that achieved expansion in the month included clothing, machinery equipment, computers, and electronic products; The four manufacturing industries, including transportation equipment, have shrunk.