Offering aluminium ingots A7, A8, CIF term

We supply aluminium ingots A7 and A8.
Delivery term: CIF.
In order to submit an offer / quotation following information is necessary:
1) Are you representing the end buyer's company? If not, Power of Authorization signed and sealed by the end buyer is needed. If so, please submit his Company Profile CIS and Registration Certificate.
2) preferable country of origin;
3) quantity required monthly, trial order details;
4) terms of payment acceptable and other terms you may find important in LOI.