Interested in procuring copper powder, CIF China

We would like to buy superfine copper powder with the following specifications:
Cu ≥ 20%, S:15-30%, Pb ≤ 4%, Ni ≤ 0.2%, Zn ≤ 4%, As ≤ 0.4%, MgO ≤ 3%, Water ≤ 12%
The material is not radioactive.
Origin: TBC
Quantity : 50,000 – 100,000 MT per month for 12 months with R&E
Loading Port: By Seller
Delivery : CIF, Tianjing Port China