Publication Date: December 5, 2025
Effective Date: December 5, 2025
Company: Shanghai Rong‑Rui Technology Co., Ltd.
1) We collect necessary information to ensure core and additional product functionality;
2) We will not share, provide, transfer, or receive your personal information from third parties without your consent;
3) We strive to take reasonable security measures, using industry-standard methods and best efforts to protect your sensitive personal data;
4) How you can access, correct, delete personal information, withdraw consent, or file complaints.
If you do not agree with this policy and proceed to use the software, we will collect only the minimum information needed to maintain core functionality—which may limit service availability—but such data will be anonymized or encrypted. Continued use implies acceptance of this policy and permission to process your information accordingly.
We follow principles of legality, fairness, and necessity. The information you provide or generate during use is used for:
Please note: When you open this privacy policy or user agreement within an embedded web view, the system may detect your Wi‑Fi, running processes, or installed apps. This behavior is not initiated by our product, will not collect any of your information, and we only begin data collection after you give consent.
To ensure normal operation, we collect:
During use, to reduce bugs and improve user experience, we may upload behavioral data and crash logs to Baidu Mobile Statistics or Google Firebase. Third‑party advertisements may also be displayed.
We gather network logs, usage frequency, crash data, installation and performance metrics in anonymized or pseudonymized form—without directly identifying individuals.
If we develop new functions unrelated to file decompression, we will notify you and obtain consent before collecting additional personal data.
Allowed by applicable law, we may collect or use your personal data without consent in circumstances such as national defense, public safety, criminal investigation, or emergency scenarios where consent is impracticable.
We may use cookies or anonymous identifiers to:
(a) Storage Location: We store personal data collected during operation within legal jurisdictions (e.g., within China) in compliant storage facilities.
(b) Retention Period: We keep personal data only as long as necessary to provide the services. After this period, data is deleted or anonymized, unless required otherwise by law.
(a) Sharing: We do not share your data except:
(b) Transfer: We will not transfer your personal data to others unless you explicitly consent.
(c) Public Disclosure: We disclose your data publicly only with your instruction or upon proper legal request supported by formal documentation.
You have rights to:
If you are under 18, please use this software under parental or guardian supervision. We collect or process minors’ personal data only with verified parental consent. Any such data collected without consent will be removed promptly.
We may update this policy from time to time. We do not reduce your existing rights without your explicit consent. We will notify you of changes via an in‑app prompt before they take effect, requiring re‑consent. Significant changes—such as collection of new sensitive data types—will be highlighted through pop-ups, email, or SMS.
Major changes include:
This policy applies to all services provided by Shanghai Rong‑Rui Technology Co., Ltd. and its affiliates, including apps and websites. It does not apply to third‑party products, services, or advertisements linked within the software.
If you have questions, comments, or requests regarding this policy, you may email us at mrsli@rongruikj.com. Upon identity verification, we will respond within 15 business days and handle any applicable personal data deletion or inquiries.