If you apply for multi-entry visa,flight tickets and hotel reservation may be not required, but you have to meet the following requirements:
1. The applicant is the husband/wife, or son/daughter, or parent of a Chinese citizen residing in Mainland China. A proof of relationship is needed, e.g. the original and the photocopy of a marriage certificate, a notary certificate of
kinship etc.
2. The applicant owns real estate in China. The original and a photocopy of the property ownership certificate is needed.
You can collect the visa for them after the approval and process.