APP User Service Agreement


Welcome to the "APP User Service Agreement" (referred to as "this Agreement"). This Agreement outlines the terms and conditions that govern your use of various products and services provided by the APP as a user.

Agreement Confirmation

1.1 Beijing DASUNG Tech Co., Ltd. and its affiliates (referred to as "Beijing DASUNG Technology") agree to provide services related to DASUNG Link and other related services (referred to as "Link App") over the Internet mobile network in accordance with the provisions of this Agreement and the operational rules published from time to time.

1.2 As a user of the Link App (referred to as "User"), you should fully understand the content of this Agreement, carefully consider it, acknowledge and agree to all its terms. To complete the registration process, you must follow the instructions on the webpage. Your use and other activities will be considered as your full acceptance of this Agreement, as well as all the rules and norms published by Beijing DASUNG Technology.

1.3 Beijing DASUNG Technology has the right to supervise, prompt, inspect, and rectify all activities related to DASUNG-Link and its official website.

Service Content

2.1 The specific content of the Link App is provided by Beijing DASUNG Technology based on the actual situation. Beijing DASUNG   Technology reserves the right to upgrade, modify, or adjust the services or product forms provided. Users will be notified of such changes through updates to the APP/website content without separate notification.

2.2 Beijing DASUNG Technology solely provides technical services related to the Link App. Users are responsible for their devices (such as personal computers, mobile phones, and other devices used for internet or mobile network access) and the associated expenses (such as telephone and internet fees for accessing the internet, and mobile phone fees for using mobile networks) required for network services.

Service Changes, Interruptions, or Termination

3.1 Due to the unique nature of network services (including but not limited to force majeure events, network stability, system stability, technical failures, user location, user shutdown, user mobile phone viruses or malicious network attacks, and any other technical, internet, communication line, or content infringement reasons), the user agrees that Beijing DASUNG Technology has the right to suspend or terminate part or all of the Link App at any time. Beijing DASUNG Technology will make reasonable efforts to notify users promptly and resolve any issues as soon as possible. However, Beijing Dashang Technology assumes no responsibility for the inability of users to send and receive messages or for the transmission of incorrect messages. Users must bear these risks.

3.2 The user understands that Beijing DASUNG Technology needs to regularly or irregularly inspect and maintain the platform or related devices providing Link App services. If the services are interrupted for a reasonable period of time due to such circumstances, Beijing DASUNG Technology will strive to provide prior notice but shall not be liable for any resulting damages.

3.3 If the user violates laws, regulations, national policies, or the usage rules specified in this Agreement, Beijing DASUNG Technology has the right to suspend or terminate the provision of Link App services to the user without any liability to the user or any third party.

Usage Rules

4.1 During the use of the Link App, users must adhere to the following principles:

(1) Comply with relevant laws and regulations in China.

(2) Do not use the Link App for any illegal purposes.

(3) Comply with all network protocols, regulations, and procedures related to network services.

(4) Do not engage in any behavior that may adversely affect the normal operation of the Internet or mobile networks.

(5) Comply with all other agreements and rules related to the Link App.

4.2 Users should refrain from engaging in the following activities using the Link App:

(1) Transmitting or publishing any harmful, threatening, abusive, harassing, defamatory, vulgar, obscene, or otherwise objectionable content.

(2) Violating the legal rights of others, including but not limited to privacy rights, copyright, trademark rights, trade secrets, and other intellectual property rights.

(3) Engaging in any form of fraudulent activity.

(4) Distributing spam, chain letters, or pyramid schemes.

(5) Spreading viruses, Trojan horses, or any other malicious programs.

(6) Engaging in any behavior that may interfere with or disrupt the normal operation of the Link App.

(7) Engaging in any other activities that violate laws, regulations, national policies, or this Agreement.

Please note that the above optimization is based on the information you provided and aims to improve the clarity and readability of the translation. However, it is important to consult the original agreement or seek legal advice for accurate and reliable information as this translation may not be an official or legally binding document.

Intellectual Property

5.1 Any text, images, logos, audio, and video materials contained in the Link App provided by Beijing DASUNG Technology are protected by copyright, trademark rights, patent rights, and other applicable intellectual property laws.

5.2 Without the express consent of the relevant rights holders and Beijing DASUNG Technology, the aforementioned materials may not be displayed on any third-party platforms or used for any commercial purposes. Users are prohibited from copying, modifying, editing, or creating derivative works based on the content without authorization.

Privacy Protection

6.1 The term "privacy" as referred to in this Agreement includes the content of user personal information as defined in Article 4 of the "Regulations on the Protection of Personal Information of Telecommunications and Internet Users," as well as any future laws and regulations that specify the content to be included in privacy.

6.2 Protecting user privacy and personal data is a fundamental principle of Beijing DASUNG Technology. Beijing DASUNG Technology will implement various measures, including systems, security technologies, and procedures, to prevent unauthorized access, use, or disclosure of user privacy and personal data. Beijing DASUNG Technology ensures that individual user data and non-public content stored during the use of the Link App will not be disclosed to any third party outside of cooperative partners or used for any illegal purposes, except under the following circumstances:

(1) Obtaining explicit authorization from the user in advance.

(2) Compliance with relevant laws and regulations.

(3) Compliance with requirements from relevant government authorities.

(4) Protection of the public interest.

(5) Necessary for protecting Beijing DASUNG Technology's legitimate rights and interests in case of user infringement.

6.3 Some features may require user authorization to access functions such as screen projection or Bluetooth. Failure to provide authorization or complete information may result in the inability to use certain services or restrictions. Beijing DASUNG Technology commits to taking measures to protect the security of users' personal information provided through authorization.


7.1 Users are responsible for complying with national laws, regulations, and policies when using the Link App, and they bear all legal liabilities for the information and content they create, upload, send, or disseminate, without any involvement from Beijing DASUNG Technology.

7.2 If any information or content displayed or pushed to users on the DASUNG-Link platform is suspected of infringing the intellectual property rights of any third party, the rights holder and relevant stakeholders should send a notice to Beijing DASUNG Technology. After verification, Beijing DASUNG Technology has the right, in accordance with applicable laws and regulations, to take actions such as disabling links to infringing content or removing and stopping the transmission of such content. However, Beijing DASUNG Technology shall not be held legally responsible for the infringing content.

7.3 In the event of a user's violation of this Agreement, resulting in any claims, demands, or losses from any third party, including reasonable attorney fees, the user agrees to indemnify and hold Beijing DASUNG Technology harmless.

Other Provisions

8.1 Beijing DASUNG Technology reserves the right to modify any terms of this Agreement at any time. In the event of modifications, Beijing DASUNG Technology will publish the updated agreement on the DASUNG-Link platform or notify users through other appropriate means. If the user disagrees with the modifications, they have the right to discontinue using the Link App. However, if the user continues to use the app, it will be deemed as acceptance of Beijing DASUNG Technology's modifications to the relevant terms of this Agreement.

8.2 If any provision of this Agreement is deemed partially or entirely invalid or unenforceable for any reason, the remaining provisions shall remain valid and enforceable.

8.3 This Agreement shall be governed by and construed