Privacy Policy

This Privacy Policy discloses the online privacy practices for Shanghai Blue Cloud Technology Co., Ltd.

This Privacy Policy discloses the online privacy practices for Shanghai Blue Cloud Technology Co., Ltd., (“21Vianet Blue Cloud” or “we” or “our” or “us”), an affiliate of Beijing 21Vianet Broadband Data Center Co., Ltd. and applies to the information we collect through “Website”). By accessing and/or using the Website, you are consenting to the collection, storage, and disclosure of data as described in this Privacy Policy.

21Vianet Blue Cloud reserves the right, at any time, to modify, alter, update, or remove portions of this Privacy Policy. We will post any changes to this Policy on this page so you can readily review the most current version. We will alert you that changes have been made by indicating on the top of this Privacy Policy the date it was last updated.

Personally identifiable information

The personally identifiable information you submit to our Website is used only to service your account and/or to provide you with information on 21Vianet Blue Cloud services. The types of personal information that may be collected on our Website include: name, e-mail address, phone number and other personal information you post on the Website. We will not sell, share or rent your personally identifiable information to others in contravention of this Privacy Policy.

Aggregate information

21Vianet Blue Cloud generally records certain usage information, such as the number and frequency of users to our Website. This information may include the websites that you access immediately before and after your visit to our Website, the internet browser you are using and your Internet Protocol (IP) address. If we use such data at all, it will be on an aggregate basis, and we will not disclose to third parties any information that could be used to identify you personally.


We use per-session “cookies” (pieces of data your browser stores in your computer memory at 21Vianet Blue Cloud’s request) to establish user session on our server. We use the cookies to carry information about usage from page to page through the Website. 21Vianet Blue Cloud does not use cookies to retrieve personal information about you from your computer.

Most browsers are set up to accept cookies, but you can usually change your browser settings to refuse them. If you disable cookies, your browser may experience some erratic behavior on some portions of the Website.

E-mail and marketing

You may subscribe e-mail newsletter by signing up for 21Vianet Blue Cloud news about cloud computing in China and product announcements. 21Vianet Blue Cloud does not sell the email address of any user, nor will we provide your personal information to third parties for their marketing purposes. We may send you e-mail messages but will always include instructions to unsubscribe at any time. We recommend that you do not send us any individual personal information via non-secure methods of correspondence, including via public electronic communication channels, such as Internet e-mail, which generally are not secure.


21Vianet Blue Cloud will also disclose Submission Information when it believes, in its sole discretion that the law requires such disclosure or that such disclosure is necessary to:

  • Comply with the law;
  • Protect and defend the rights or property of 21Vianet Blue Cloud or others;
  • Act under critical circumstances to protect the personal safety of the public or the users of the Website.


This Privacy Policy applies only to information collected by 21Vianet Blue Cloud. Other websites (including those to which we may link) may have their own policies. 21Vianet Blue Cloud has no responsibility for or control over the information-collection practices of such third-party websites.


If you have questions regarding this Privacy Policy or about the 21Vianet Blue Cloud’s privacy practices, please contact us by email at, or sent a letter to:

21Vianet Blue Cloud
12-13F, Building 6, No.6, Jiuxianqiao Road, Beijing Electronics Zone, Chaoyang District, Beijing, 100015