Terms & Conditions

This licensing agreement (hereinafter referred to as 'This Agreement') is made between you and Demon Network Tech Co., Ltd. (hereinafter called 'ustrack17'). Please carefully read This Agreement before using the software or 'ustrack17' site (hereinafter called 'Licensing Software'). By downloading, installing or using Licensing Software, you agree that you fully understand and accept all terms and conditions of This Agreement. If you do not accept the terms and conditions of This Agreement, please do not use Licensing Software and remember to destroy all copies of Licensing Software.

ustrack17 reserves the right to amend This Agreement from time to time, and in case of that, we will post relevant notice on 'ustrack17.com' official website without any separate notice. Such amendment(s) shall automatically come into force and become effective five days after the notice. By continuing to use Licensing Software after the amendment, you agree that you have read and accepted This Agreement.


Licensing Software: means software system, which was developed by ustrack17.com, in a form of application installed on mobile and/or PC devices terminals, or in the form of the website ustrack17.com, accessed through browsers.

ustrack17 Service: means all services provided by ustrack17 (including but not limited to application service). You can access to ustrack17 Services through the Licensing Software installed on mobile and/or PC terminal devices.

Scope of authority

ustrack17 grants you a limited, non-exclusive, unalienable, un-sublicensing license. You shall install and/or use on more than one terminal devices for non-commercial purposes. However, you shall neither install, use, operate Licensing Software for business operating purposes, nor could you copy, alter, modify, articulated run or create any derivative works from the data, data released on any terminals or interactive data between customer and server terminals, in multiple forms, including without limitation, getting access to Licensing Software and relevant systems by taking advantages of plugins or any unauthorized third party instruments/services.

By downloading and installing, and/or initially accessing the Licensing Software, the licensing relationship is set up. You shall comply with the related 'Agreement on Licensing and Limitation' in terminal operating systems. Once ustrack17 has reasonable ground to believe that you have breached the agreement, ustrack17 is authorized to terminate your license at any time.

Based on This Agreement, ustrack17 grants you a license other than sell you Licensing Software. You shall only use Licensing Software subject to This Agreement, ustrack17 reserves all rights that are not expressly granted.

Usage specification

You shall not use Licensing Software in the following ways:

You understand and agree that:

ustrack17 is authorized to affirm, in its discretion, whether you have breached the alleged terms, and on the basis of that, proceed to suspend or terminate your license or take some other restrictive measures adopted hereby, without any prior consent or notice.

If you post information in suspected of any violation of laws, people's legitimate rights or This Agreement while using Licensing Software, ustrack17 is authorized to remove that information without any prior notice, unless you have provided evidence to proof its legality.

You shall be independently liable on your own behalf for the damages of any third parties caused by your breach of the alleged specifications. In addition, ustrack17 is released from any losses and/or increased costs and you shall indemnify ustrack17 for any incurred compensations for third party losses in case that ustrack17 makes compensations in advance.

If your alleged violation of relevant laws and/or provisions of This Agreement make ustrack17 suffer from any losses, compensation for a third party, and/or penalty from the Administrative Department, you shall indemnify ustrack17 for losses and incurred legal costs as a result of that, including without limitation, reasonable attorney fees, costs of investigation and evidence collection.

You agree that any breach of This Agreement will make ustrack17 suffer from irreparable losses, not merely money. In addition to ustrack17's available compensation and other remedial measures, you agree that ustrack17 is entitled to injunctions, in order to prevent actual, threatening or continuous violation of This Agreement.

Termination and breach of contract

In the event that you commit any breach of terms of This Agreement, ustrack17 shall have right to unilaterally terminate This Agreement without prior notice.

Upon occurrence of termination, you shall stop using Licensing Software and destroy all copies of Licensing Software.

Governing law and dispute resolution

The validity, interpretation, modification, execution and dispute settlement shall be governed and construed by the laws and regulations of the People's Republic of China. In the event that there are no relevant regulations, reference shall be made to the relevant provisions of local laws and/or general international practices.

Any disputes arising from This Agreement shall be settled by both Parties through friendly negotiations. In the event that such disputes cannot be settled through negotiations, such disputes shall be submitted to the court of competent jurisdiction where ustrack17 is located.

If any of the provisions of This Agreement is held to be invalid by any court of competent jurisdiction, then such invalidity shall not affect any of the remaining provisions of This Agreement. And such remaining provisions shall be implemented by you and ustrack17.


ustrack17 reserve right to transfer the rights and obligations herein to a third party without your consent.

This Agreement constitutes the entire agreement between the parties related to granting license of Licensing Software and supersedes all prior negotiations.

This Agreement is made in Chinese. In case of any dispute as to the interpretation between the translated version and Chinese version, the Chinese version shall prevail.