Write an interview letter, which needs to be distributed to customers

Hi, We are a company that makes technology artworks, dismantling mobile phone frames, we want to interview our customers, ask them some stories between themselves and Apple, etc., hope to have some good expressions and better questions, Can attract them to answer, interesting stories we will put in the blog on our website, I have some edited text, but I don't find it interesting enough. I hope to entice them to answer.
We want to have some technical text to get them to answer, as well as higher quality questions