Privacy Policy
Last Updated: December 3, 2025
Effective Date: December 3, 2025

Introduction

WaterSort is a product provided by Le Ju Network (Hong Kong) Limited ("we" or "us"). When you use our services, we may collect and use certain information related to you. Through this Privacy Policy, we aim to clearly explain how we collect, use, store, and share your information when you use our services, as well as the ways in which you can access, update, control, and protect your information. This Privacy Policy is integral to your use of the WaterSort service. We encourage you to read it carefully and make informed choices based on the guidance provided herein. Wherever possible, we use clear and concise language and provide links for further explanation of technical terms to enhance your understanding. By using or continuing to use our services, you agree to our collection, use, storage, and sharing of your information as described in this Privacy Policy. If you have any questions regarding this Privacy Policy or related matters, please contact us at kwu6077@gmail.com.

1. Information We Collect

When we or our third-party partners provide services, we may collect, store, and use the following types of information related to you. If you choose not to provide such information, you may be unable to register as a user, access certain features of our services, or achieve the intended functionality of those services.

Third-Party SDKs Integrated:

2. Information Storage

2.1 Storage Method and Retention Period

We store your information securely using methods such as local storage (e.g., app caching), databases, and server logs. Generally, we retain your personal information only for as long as necessary to fulfill the purposes outlined in this Privacy Policy, or as required or permitted by applicable laws and regulations.

2.2 Geographic Location of Storage

In compliance with applicable laws and regulations, personal information collected from users within mainland China will be stored within China. Currently, we do not transfer or store your personal information outside of China. Should cross-border transfer or storage become necessary in the future, we will inform you of the purpose, recipient, safeguards, and potential risks involved, and obtain your explicit consent beforehand.

2.3 Notification in Case of Service Discontinuation

If our product or service is discontinued, we will notify you via in-app notifications, public announcements, or other appropriate means. Within a reasonable period thereafter, we will either delete your personal information or anonymize it, unless otherwise required by law.

3. Information Security

We employ various security technologies and procedures to prevent the loss, misuse, unauthorized access, disclosure, alteration, or destruction of your information. For example, we use encryption technologies (such as SSL) to protect the personal information you provide. However, please understand that due to technological limitations and potential malicious activities, no method of transmission over the internet or electronic storage is 100% secure. Additionally, the systems and communication networks you use to access our services may be subject to factors beyond our control.

4. How We Use Your Information

We may use the information collected during the provision of our services for the following purposes:

5. Information Sharing

Currently, we do not proactively share or transfer your personal information with third parties. If there is a need to share or transfer your personal information to a third party, we will either obtain your explicit consent directly or confirm that the third party has obtained your consent. For purposes such as ad delivery, performance evaluation, and optimization of advertising effectiveness, we may share certain non-identifiable data with third-party partners (e.g., advertisers and their agencies). These partners are contractually obligated to comply with our data privacy protection requirements, including adherence to data processing agreements, commitments, and policies designed to prevent re-identification and safeguard privacy. We will not share information that can directly identify you (e.g., your name or email address) with partners unless you explicitly authorize us to do so. We will not publicly disclose your personal information unless required by law. In cases where public disclosure is necessary, we will inform you of the purpose, type of information disclosed, and any sensitive data involved, and obtain your explicit consent. In the event of a merger, acquisition, or asset transfer related to our business, we will notify you of the situation and ensure that your personal information continues to be protected under standards no less stringent than those set forth in this Privacy Policy. Additionally, under applicable laws, regulations, and national standards, we may share, transfer, or disclose personal information without prior consent in the following circumstances:

6. Your Rights

During your use of our services, we will, where feasible, provide you with operational settings to allow you to access, correct, delete, or withdraw your personal information. Please refer to the specific instructions within the product for details. We also offer complaint and reporting channels, and your feedback will be addressed promptly. If you are unable to exercise your rights through the available tools, you may contact us using the contact information provided in this Privacy Policy. We will respond in accordance with applicable laws and regulations.

7. Changes to This Policy

We may update this Privacy Policy from time to time. When changes occur, we will notify you of the updated version upon app launch or via other appropriate means and specify its effective date. Please review the revised Privacy Policy carefully. Your continued use of our services constitutes your acceptance of the updated terms.

8. Protection of Minors

We encourage parents or legal guardians to guide minors under the age of 18 in the use of our services. We recommend that minors ask their parents or guardians to read this Privacy Policy and seek their consent and guidance before submitting any personal information.

9. Children's Privacy

Our Services are designed and provided to users of various age groups. We do not knowingly collect personal data from, or serve targeted advertisements to, children as defined and required by applicable laws. If you believe that we may have personal data from or about a child, or have served targeted advertising to a child in violation of our policies, please contact us via email at kwu6077@gmail.com.