Dear Sirs
We are one of the largest dealers of aquarium fish and dry goods in the world. We own the largest exports facility for live stock and dry goods exporting to over 350 shops in 40 destinations. Can you please send us your filter mat product list with best prices to the following email address? 
We are already the agents of some leading brands and would like to give you a trial order for our next container from China.
We await to hear form you
Kind regards