Robots work at a plant of the Beijing Hyundai company in Cangzhou City, north China's Hebei Province, Nov. 15, 2019. (Xinhua/Mu Yu)
BEIJING, Jan. 9 (Xinhua) -- China's producer price index (PPI), which measures costs for goods at the factory gate, dropped 0.3 percent year on year in 2019, the National Bureau of Statistics said Thursday. ■
