Purchasing managers' indexes ( PMI ) are economic indicators derived from monthly surveys of private sector companies شاخص PMI از پیمایش و رصد ماهانه شرکت های بخش خصوصی به دست می آید The official non - manufacturing Purchasing Managers’ Index ( PMI ) soared to 58. 2 in March from 56. 3 in February, marking the best level since 2011, according to the National Bureau of Statistics ( NBS ) . The index measures business activity in the services and construction industries ... [مشاهده متن کامل]