APIs must provide DMF, GMP, and CEP documents (if any) and be pharma-grade.
These are new R&D projects, so our annual estimate is not yet necessary.
The quantity to be purchased will probably be determined by the price. Could you please share your commercial and R&D price with us depending on the quantity? 
We were talking about gradual pricing.
If you share with us clear responses regarding to above demands for mentioned API. We would like to start a long term cooperation with your company.