To all 3rd party sellers! We are NOT an Authorized Distributor for any of the items we sell. We would not be able to provide any Authorization letter or any type of Documents from the Manufacturer or Distributors besides our Invoices. Please do all of your due diligence before placing any order. ALL SALES ARE FINAL, NO Cancellations or Exchanges will be allowed after you place your Order. Amazon does NOT Accept our invoice as we are NOT Authorized.