Purchasing aluminium ingots A6, A7, A8, FOB term

We are producing aluminium and PVC systems of window and door translucent and fencing constructions. In the near future we are going to start own foundry for the manufacture of ingots of aluminium cylindrical. In this connection there is interest in regular and reliable suppliers of primary aluminium ingots (A8, A7, A6). Please quote price including export duty FOB, port of loading.
Thank you in advance.

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Best regards,
Oleh Lozovyi
Supply Department
and International Logistics Manager