We are writing in connection with the…..
We are the leading manufacturer of……
We are planning to…….
We would be very grateful if…….
If the quality of the …… come up
We would probably place an order
An enquiry is written when…..
It should contain…..
A clear picture of………
Apart from this
We saw your ads of…….
We have heard your product from….
We were impressed by…..
When replying …
I want to thank for your help
Thank you for your interest
We are the world’s largest manufacturer of……..
We are one of…………
With reference to your recent ads