You need to go to the Chinese Embassy in your location country where you need to appear in person.
1.A valid original passport with at least two blank visa pages and at least 6-month validity.

2. One recently taken passport-sized photograph affixed to the visa form which shows entire face, without a hat .

3. One completed Chinese Visa Application Form (click here to download) signed by THE applicant. Children's application form can be signed by their parents or guardians.

4. Supporting documents which may varies according to the visa types of the your application.
besides, you need to provide the resident permit of Austria when visa officials ask for.

Here the supporting documents may be return tickets and hotel reservation ...