Buying aluminium ingot A7 with quantity of 50,000-100,000 MT/month

We need aluminium ingot A7 with quantity of 50,000-100,000 MT/month. I have checked on your website about the price and payment term. I would like to get more details about

The product origin :

CIF price :

Commission:

Specific payment method if LC :

Thank you so much. Hopefully to have a mutual cooperation with you