Eastern China (Shanghai):
3,650-3,660 yuan ($520-521) per tonne, up 30-40 yuan per tonne
Northern China (Tangshan):
3,610-3,620 yuan per tonne, up 40-50 yuan per tonne
Prices rose by bigger margins during the day on strong trading activity in both eastern and northern China.
A mill in the latter region even was even force to suspend trading in the afternoon after selling out the products it...