Privacy policy

Unless otherwise specified, all rights to the products, technologies, data, programs, layout designs, graphics, processes, audio, video, and other information on this website (including, but not limited to, intellectual property rights and trade secrets) are owned by joinstar, Such rights are protected by the Civil Code of the People’s Republic of China, the Copyright Law of the People’s Republic of China, the Anti-Unfair Competition Law of the People’s Republic of China, and other laws, regulations, normative legal documents, and relevant international treaties. Any infringement of the aforementioned rights may result in civil, administrative, or criminal liability. Third-party rights referenced on this website remain the property of their respective third parties.


Unauthorized use of the above information without the express written consent of joinstar is strictly prohibited; otherwise, we will pursue legal action. If you have any related requests, please obtain prior written permission from joinstar.

When accessing our website requires the use of software or drivers provided by the website, you must comply with the terms of the accompanying license agreement.

When accessing our website, please comply with applicable laws.


Personal Information

joinstar respects and protects personal privacy. With regard to personal information you voluntarily provide or that is generated when you use this website, joinstar commits to collecting and using such information in accordance with the principles of legitimacy, legality, and necessity. If joinstar intends to use your personal information for other purposes, or to use information collected for a specific purpose for other purposes, we will notify you in a reasonable manner and obtain your consent again before doing so.


However, please understand that transmitting information over the Internet involves security risks beyond Joinstar’s control. Although Joinstar will implement and maintain reasonable measures to protect your personal information, Joinstar cannot guarantee the security of information transmitted through this website or otherwise via the Internet; you assume all risks associated with any information transmission.


Joinstar adheres to a zero-spam policy and strictly prohibits the sending of spam.


joinstar promises:

1. We will never sell or rent the personal information of users, potential users, or website visitors.

2. We will only send emails to individuals who have consented to receive them from joinstar.

3. We will strengthen our monitoring of spam and take necessary preventive measures.


Links to Other Websites

For your convenience and information, this website contains links to other sites; such links do not constitute an endorsement or approval by Joinstar of the content on the linked websites.


Website Comments

Joinstar will review the comments you post on this website. If your comments contain offensive, defamatory, obscene, or other illegal or infringing content, you will be held legally liable. Joinstar assumes no liability and reserves the right to delete such comments.


Limitation of Liability

Joinstar shall not be liable for any losses resulting from causes beyond its reasonable control, including force majeure, government actions, and interruptions in power or telecommunications services. Joinstar shall not be liable for any indirect losses or lost anticipated profits arising from this website or its use, including but not limited to loss of profits, loss of contractual opportunities, litigation costs, incidental expenses, special expenses, or other similar consequential damages.


Notices and Revisions

Joinstar reserves the right to make changes, upgrades, or modifications to this website at its sole discretion based on operational needs and user experience. Additionally, to provide you with better service and in line with the development of Joinstar’s business, this Legal Notice may be updated accordingly; we will announce such updates through notices on the website.


Please read the above terms carefully before accessing this website. By accessing this website, you indicate your acceptance of the above terms. If you do not agree to any of the above terms, please refrain from accessing this website.