Prices for goods at the factory gate in China beat expectations in November, officials said Friday, rising for the third straight month in a sign of strengthening demand in the world's second-largest economy. 

The producer price index (PPI) rose 3.3 percent year-on-year in the month, according to the National Bureau of Statistics, over economist expectations of a 2.3 percent increase in a Bloomberg News survey.

The consumer price index (CPI) rose 2.3 percent in the month, the data showed.