Medical Center for China Z Visa Application

You can do it in a big hospital (or visit/contact the consulate in person for the list of appointed hospitals if possible). Since the health certificate is initiated in Saudi Arabia, in order to make this legal in China, it must be notarized by your local Notary Public, legalized by the Secretary where the document was notarized or certified, authenticated by the Ministry of Foreign Affair of Saudi Arabia, and the Chinese Embassy.