Datasea Announces Its Engagement By ZTO Express to Develop 5G Messaging Applications ACCESSWIRE 01 Jun 2021, 22:05 GMT+10 BEIJING, CHINA / ACCESSWIRE / June 1, 2021 / Datasea Inc. (NASDAQ:DTSS) (' Datasea '), a technology company engaged in providing smart security solutions, smart hardware and education- related technologies in China, announced today that its wholly-owned subsidiary company named Shuhai Zhangxun Information Technology Co., Ltd. ("Shuhai Zhangxun") obtained authorization from ZTO Express ("ZTO"), one of the leading express delivery companies in China, to develop 5G Messaging ...