Brand:DT
MOQ:25
Quantity:10
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Our professional production black oxidationnickel,stable product quality,low price.
This product purity and impurity index is asfollows:
Ni>75% |
Cu<0.001% |
Zn<0.002% |
Co<0.002% |
Ca<0.005% |
Mn<0.001% |
Mg<0.005% |
Na<0.01% |
insoluble HCL<0.01% |
PH 7-8.5 |
