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Sunny Liang Zhaojun was born in China Guangdong province.
2007 graduate in Beijing University of Post and Telecommunication ,and major in communication engineering.
2000 ~ 2016 work in China Telecom Research Institute of Guangdong , Network Technology Department
2016 joined China Telecom Global Limited , Oversea mobile service department , as Sim card and device manager.
More than 10 years of mobile business experience, familiar with mobile communication technology, especially the radio part, mobile phone device and SIM card, now studying VOLTE/IoT/eSIM.