Business Letter

I need a guidance to write a business enquiry letter.
The main purpose I need to state in the letter is, I need a sample product from their company.With this product i can knew which item is getting a good sale and we can order one particular amount of the things.
Pleaseee helppp teacheeeerr.... !!!
my email id is : EMAIL REMOVED - Send PM to This User Instead
pls pls plsss reply me...i beg uu

[Ouisch]

Dear Sir or Madam:

I am interested in obtaining a sample of your (insert product name here). I believe that (product name) has wonderful sales potential, and our respresentatives would like to study it before placing an order with you.



(This is just a vague outline/suggestion.)