The #WeChat video call ringtone is a familiar sound wherever you are in China. Meet Gu Chenchen, the woman who made it possible. “It is inspiring to see more and more female tech talents." Join us as we celebrate #WomenInTech with @UNDPChina t.co/0nrfDRzJrz #IWD2021 t.co/QKxu0TBrmP