Romania company purchasing A4 Copy Paper 80 Gsm

Dear Sirs/Madams,
I represent a company from Romania. We are interested in an offer from you for A4 white copy paper, 80 gsm.
Please, let me know your offer, and, also, all the information necessary regarding a potential business collaboration
(paying method, paying terms, quality certifications, terms of delivery, minimum quantity, etc).
We estimate we could buy about 16.000 – 24.000 reams/month. (1 ream = 500 sheets)
Waiting for your answer,
Best regards,