Félicitations pour produits de qualité (1)

[Mr or Mrs or Sirs], We have purchased your [produits] for now one year and want to tell you how good they are. They have always given complete satisfaction to our customers, especially the [produits]. Consequently, we have decided to order you [quantités, produits]. We would be pleased to have them delivered on [date]. Moreover, we intend to purchase from you [quantités, produits] each month. We shall let you know in due time when we require them. We thank you for your reliability and look forward to dealing with you in the future. Yours sincerely [votre nom] [votre fonction]