China Unicom
Chen Geng has been working as a 商务经理 at 中网威信电子安全服务有限公司 since May 2016. Prior to this, Chen Geng was a Marketing Manager at China Unicom since May 2016.
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China Unicom
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China United Network Communications Group Co., Ltd. (Chinese: 中国联合网络通信集团有限公司) or China Unicom (Chinese: 中国联通) is a Chinese state-owned telecommunications operator of China. China Unicom is the world's fourth-largest mobile service provider by subscriber base.