BEIJING, February 8 (AsianFin) – China’s producer price index (PPI) dropped 2.5% year on year in January due to a fall in international commodity prices, compared with a 2.7% decline last December, according to the National Bureau of Statistics.  The year-on-year fall marks a 16th consecutive decline. From the month-on-month perspective, the PPI fell 0.2% from last December, compared with a 0.3% month-on-month drop last December.