Question: where is the headquarters of the  Chinese investment holding company  who developed WeChat 
Sentence (from "WeChat"): It is widely known as one of the world's most innovative and versatile app, as well as China's "App For Everything", with numerous unique functions and platforms ranging from 'payment' to 'social media' to 'services' to 'shopping' and more, that are equivalent to multiple Google Play or App Store's apps, but merged into one.
Relevant evidence: No