Eastern China (Shanghai):
4,470-4,500 yuan ($692-696) per tonne, up by 20 per tonne
Northern China (Beijing) - weekly assessment:
4,330-4,370 yuan per tonne, up by 210-220 per tonne from February 5
More sellers returned to work during the day, but end users are still on holiday, market sources said.
While some buyers plan to resume work on Monday, others...