Business activity in China's services sector expanded to a 16-month high in November, according to a private survey released on Monday.

The Caixin China General Services Purchasing Managers Index, conducted by financial information service provider Markit and sponsored by Caixin Media Co Ltd, stood at 53.1 in November, up from 52.4 in October and the highest since July 2015.

A reading above 50 indicates expansion in the services sector.