From the point of view of enterprise size, large and medium-sized enterprises PMI were 51.5% and 49.4%, up 0.9 and 0.2 percentage points over the previous month; small enterprises PMI was 47.5%, down 1.0 percentage points over the previous month.
Purchasing Manager's Index (PMI), is through the enterprise purchasing manager's monthly survey results of statistical summary, compiled by the index, which covers the enterprise purchasing, production, circulation and other aspects, including manufacturing and non-manufacturing areas, is one of the internationally used to monitor the trend of the macro-economy of the leading indexes, with strong prediction, early warning role. Comprehensive PMI output index is the PMI indicator system to reflect the current period of the whole industry (manufacturing and non-manufacturing) output changes in the composite index. PMI is higher than 50%, reflecting the economy in general compared with the previous month expansion; lower than 50%, reflecting the economy in general compared with the previous month contraction.