Chen Ye Xu

Tencent Technology (Shenzhen) Co., Ltd. designs and develops computer software and provides Internet information services in China. It offers instant messaging services; QQ, an Internet-based instant messaging tool to support online message communications and instant voice, video, and file transmission; TM, an instant messaging communication software application; Real Time eXchange, an instant messaging platform launched for enterprises; Traveler, a multi-page web page browser; QQDoctor, an anti-virus tool developed to address the problem of Trojan viruses that steal QQ passwords; QQMailbox, provides e-mail services to users; and QQDownload, software that simultaneously supports various download tasks. The company was founded in 2000 and is located in Shenzhen, China.

Shenzhen Tencent Computer Systems Co., Ltd. engages in the provision of information technology services and solution. Its business scope includes design, technology development, and sales of computer software and hardware; database and computer network services; domestic commerce, material supply, and marketing; engaged in advertising business; import and export of goods and technology; and ticketing agent. The company was founded on November 11, 1998 and is headquartered in Shenzhen, China.

Tencent Technology (Shanghai) Co., Ltd. engages in the development, production, and design of computer software. It also provides technical consulting and services. The company was founded on July 23, 2008 and is headquartered in Shanghai, China.