Eastern China (Shanghai):
3,510-3,540 yuan ($496-500) per tonne, down by 20 yuan per tonne
Local authorities in Tangshan, in northern China, have ordered some steel mills in the city to restrict their production rates next month to improve air quality.
A total of 27 mills have been told to suspend one or two of their blast furnaces.
An industry analyst in Shanghai said the steelmaking limits were similar to those in...