Eastern China (Shanghai):
3,880-3,890 yuan ($561-562) per tonne, narrowed by 10 yuan per tonne on both ends
Northern China (Tangshan):
3,600 yuan per tonne, down 20 yuan per tonne
Sources in both eastern and northern China said that trading activity was sparse during the day, which forced mills to lower their ex-works prices.
A source at a mill in northern China said that its offer had fallen by 20 yuan per tonne compared...