The app, called Colorful Balloons, is similar to Facebook's Moments application in function and feel, but does not carry the Facebook name. The under-the-table approach could cause Facebook new difficulties with Chinese government that has maintained strict oversight and control over foreign tech companies.
China's internet censorship has left big players like Facebook, Apple and Google out of the huge Chinese market with an audience of more than 700 million internet users. "It also highlights how far they are willing to go, and their recognition of the idea that the standards for working in China differ from other countries", write the journalists.
That indicates she likely is associated with the social media giant.
It's not clear if China's internet regulators are aware of Colorful Balloons' connection to Facebook.
Last month, in a crackdown on Internet services by the government, Apple had removed all major VPN apps from the App Store in China.
However, the company's documents used for registering it, listed a room number of its office that was not found amidst several small, shabby offices on the fourth floor of the building. In the photo, she was sitting beside Wang-Li Moser an executive with Facebook.
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Facebook declined to comment on Zhang's relationship to the company, and Zhang did not respond to phone calls requesting comment.
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The app has been created to collate photos from the photo albums of smartphones and share them. The Chinese app even uses the messaging platform WeChat for connecting users in place of Facebook's network.
While photos can be shared, Facebook appears to have taken steps to ensure the app could not spread widely.
The risk Facebook is taking with the new app is high. It was released through a local Chinese company known as Youge Internet Technology.