請教英文 thanks

Dear Mr XXX

Thank you for your inquiry on Tuesday. In your inquiry, you have not mentioned your demand for XX product. We would like to know if you have any demand for this product. If so, please inform us if your company would accept alternative part.

Additionally, with regards to our quotation we sent you, we have not received any response from you. Kindly let us know if there is any further information you may need.

Yours sincerely

On tuesday i received receives your inquiry, found out that this xx brand name's product demand. I was wondering does your company have similar product? If so the demand, can your company tell whether does the expensive department select or accepts takes generation of needed materials (alternative part)? Also I havesend you a quotation, but I havn't received youyour reply. If there any question can u reply?