Eastern China (Shanghai)
: 3,840-3,850 yuan ($554-556) per tonne, up 20-30 yuan per tonne
Northern China (Tianjin)
: 3,780-3,800 yuan per tonne, up 40-50 yuan per tonne
Trading activity rose during the day amid gains in the futures market, in contrast with the subdued buying over the last few days.
A Hangzhou-based trader said buyers...