Dear Sir/Madam!
Complements of the season and i hope this mail finds you in good health.
We are interested in purchasing your products and we sincerely hope to establish a long-term business relation with your esteemed company.
Please kindly inform me, Delivery time or FOB, and payment terms warranty. Please contact us via company E-mail. 
Your early reply is highly appreciated.
Thank You !
Best Regards.