Looking for copper isotope powder Cu 63, Cu 65, 2000 kg

We are currently seeking a reliable supplier for copper isotope powder , specifically:
Isotope: Cu-63 or Cu-65 (please provide availability for both if possible)
Purity: ≥99% isotopic enrichment
Form: Powder
Quantity: 2000 kg
Need copper powder for the following purposes: 
- As industrial input for manufacturing or transformation processes;
- As financial assets to be mobilized in the context of: 
- Bank or financial guarantees
- Fundraising operations 
- Strategic business transactions