All materials are listed on the website of the Austrian Visa Application Centre in China: English and Chinese version.
We need to apply for Business visit (商务访问) of Type C.
Please check them in detail by yourself, especially the DOCUMENTS REQUIRED (所需材料) part.
Issued within the previous 10 years. Minimum two blank visa pages. Valid for at least 3 months beyond the validity of your visa request. PP must be signed by its owner. Copy of data page; copies of pages showing visas and/or exit/entry stamps. Submission of previous passport(s) is appreciated.
If your passport begins with
EF, you just need two copies of the first page (data page) and pages showing visas and/or exit/entry stamps. Otherwise, the last page should be copied too.