Extention possible for visiting visa . For my wife...

Service Overview
This service allows temporary residence holders to extend the visit period
Conditions for getting the service
The residence application form must be signed by the sponsor
Required Documents
The sponsored person's original passport and a copy
The sponsored entry visa
Two personal photos of the sponsored person
Approval of the sponsor’s signature and a copy
Work permit issued by the Ministry of Social Affairs and Labor
A health insurance certificate
A copy of the signed approval for companies and institutions
A copy of the sponsor's civil ID
The measures
Get the required documents and go to the General Migration Department in your governorate.