Visit to macau to exit and enter to china again

Ahmad, actually, you can try to convert your M type to student X type at the exit and entry administration of the local PSB.
Actually, it’s not easy for you to get the student X type even when you go to Macau.
Anyway, if you want to apply for Macau tourist entry permit, you should first prepare those documents containing copy of your passport, hotel reservation, flight itinerary, the application form, a half-length color photo, your financial standing proof, and your travel plan, as well as your M type in mainland PRC. Afterwards, hand in your application to Beijing Office of Macau SAR government to apply for it.
Address: no. 8, Wangfujing East Street, 16th/F, Macau Center, Dongcheng District, Beijing
Telephone: (0086)10-58138010