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Name Price (Yuan/Ton) Change Date 1# Copper 71500-71920 -140 July 11 A00 Aluminum 17550-17580 -65 July 11 1# Lead 16550-16750 0 July 11 0# Zinc 17680-17780 -100 July 11th 1# Tin 199000-201000 1500 July 11th 1# Nickel 172000-173000 -500 July 11th