[Grammar] Are these sentences grammatically correct?

[sulee154151]

Please confirm whether we need to provide the cable accessories for sub-contractor to complete the installation of strip lights or not? Is this was incurred in our budget?

We have never had a such experience in providing cable accessories for installation of strip lights by sub-contractor in any of our projects.

http://asd.com

 

[Tarheel]

The first sentence is not a question.

Say:

the sub-contractor

Say:

Is that in our budget?

You could also say:

We have never done this before.