Wife accompany me on trip to Beijing?

Dear Sir,
I am a US citizen and crew member with a US airline and will be going to Beijing again at the end of November. I wiill be staying in China for five days this time and would like to bring my wife along with me. I have a crew visa issued to me and am curiious as to what are the requirements that we need to do while applying for a tourist type for her.
Thank you for any information you can provide.