On February 9, the northwest market demand declined, the northwest cement price index 352.3, down 1.22, down 0.35%, down 10.1% in the same period last year. At the same time, Gansu P. O 42.5 cement price index 360.35. Silver fell by 2.69%, silver by 10.38%
, P. O by 4.00%
and P. O by 4.00%.
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