Eight range of Purchase Management Index in production, the measure of manufacturing is new orders, commodity prices, inventory, employees, order, delivery orders and new export import etc.

Purchasing managers index is expressed as a percentage, often with 50% of the economic strength as cut-off: namely when the index above 50%, be explained as economic expansion of the signal. When the index is lower than 50%, especially very close to 40 per cent of the economic depression, anxiety. It is an important index of leading the market value is affiliated pointer, the American purchasing managers index, which is in the American national manufacturing hospitals.the purchasing managers index, also will be released by former Chicago purchasing managers index, which is part of the purchasing managers index, the market will tend to Chicago purchasing managers to make the purchasing managers index.

Besides the attention of the overall index, index of purchasing managers’ pay price index and the collection price index is regarded as a price index, including employment index is more frequently used to predict the non-agricultural population of employment and unemployment.