精选优质文档-倾情为你奉上国内铜精矿计价系数（1）标准 铜20%，铅+锌8%，氧化镁4%，硒0.007%，砷0.4%，铋0.2%，硫25.00%，二氧化硅6%，0.05%。（2）结算标准 铜含量为20.00标准时正常结算，铜精矿结算价格上海金属交易所1期货月平均结算价铜精矿计价系数（83-85）铜品位变化差价。铜品位变化对应铜精矿差价(元/吨）对应表铜品位%差价铜品位% 差价铜品位% 差价铜品位%差价28% +650 27-27.99% +600 26-26.99% +550 25-25.99% +50024-24.99% +400 23-23.99% +300 22-22.99% +200 21-21.99% +10020-20.99% 0 19-19.99% -100 18-18.99% -200 17-17.99% -30016-16.99% -400 15-15.99% -800 14-14.99%-1400 13-13.99% -190012-12.99%
