NanJing San River Ore Co., Ltd

Company Description

NanJing San River Ore Co., Ltd buy copper concentate at 20%min and any quantity is negotiable. The goods should comply with the following requirement:
Cu :    20% Min
Pb :    6 % Max
Zn:     2% Max
As :     0.5 % Max
F :      0.1% Max
Cd :    0.05 % Max
Hg :    0.01 % Max
Sb:     0.15% Max
MgO:   7% Max
Moisture: (H2O) 5% Max
Radioactivity less or equal to 400nGy/h