Mr. John is asking for a quotation related to the third part inspection ofor the pipes that will be supplied outside of USA, which will be useduse the Lake Salt Underground Natural Gas Storage Project. Mr. John is asking for a quotation related to the third part inspection of the pipes that will be supplied outside of USA, which will use the Lake Salt Underground Natural Gas Storage Project.

I think this is what you mean.

Mr. John is asking for a quotation relatede about third part inspection ofor the pipes that will be supplied outside of USA, which will be used in Lake Salt Underground Natural Gas Storage Project. Mr. John is asking for a quote about third part inspection of the pipes that will be supplied outside of USA, which will be used in Lake Salt Underground Natural Gas Storage Project.

People very rarely say Mr./Mrs./etc. + first name. You almost always use their last name (the exception being if the person told you it's okay to refer to them by their first name, but by that point, you are casual with that person. Another exception is if you cannot find the person's last name for whatever reason). I think you meant quote, not quotation.

Mr. John is asking for a quotation related to the third -party inspection ofor the pipes that will be supplied outside of the USA, which will be used Lake Salt Underground Natural Gas Storage Project. Mr. John is asking for a quotation related to the third-party inspection of the pipes that will be supplied outside of the USA, which will be used Lake Salt Underground Natural Gas Storage Project.

Information related to the project is in the attached file. Information related to the project in the attached file.

I am requirSince, I need to submit the quotation with respecte to the project by April 20th , 2023. Since, I need to submit the quote to the project by April 20th, 2023.

"Need" works better in this context