Which documents should I hand out for getting visa? how long would take processing time?

Hello, the required documents depend on which type you apply for. If you want to travel to PRC, you need to apply tourist L type. You should submit the following documents including your passport, the application from with a recent bareheaded color photo glued, your residence permit in Austria, as well as accommodation reservation and round trip air tickets. It usually takes at least 5 working days for application processing.