Réclamation pour livraison de produits abîmés

Dear [Mr or Mrs or Sirs],    We are sorry to inform you that ten of the thirty [produits] that have been delivered to us on [date] are damaged and that we cannot propose them to our customers.    We thank you to [action]. We trust you will do your best to solve the problem in due time.      We look forward to hearing from you.    Yours sincerely  [votre nom]  [votre fonction]