Privacy Policy · Data Protection & User Rights

1. Information Collection

We may collect the following types of information:

• Information you provide voluntarily: When you communicate with us via feedback forms, contact pages, or email, we may collect your name, email address, and the content you provide.
• Information collected automatically: When you visit the Website, we automatically log your IP address, browser type, visit time, pages visited, and referring URL. This data is used to analyze website traffic and improve user experience.
• Simulated data interaction records: To improve our models, we may anonymously record your interactions with simulated data (such as clicks, views) but this will not be linked to your personal identity.

2. Information Usage

The information we collect is used for the following purposes:

• Provide, maintain, and improve the Website's services and features;
• Respond to your inquiries, feedback, or technical support requests;
• Analyze user behavior trends to optimize model algorithms and strategy presentation;
• Detect and prevent fraud, abuse, or illegal activities;
• Comply with laws and regulations or respond to valid requests from law enforcement agencies.

We will not use your personal information for commercial marketing unrelated to the above purposes.

3. Information Sharing and Disclosure

We commit not to sell, trade, or otherwise provide your personal information to external parties except in the following circumstances:

• With your explicit consent: When we have obtained your separate authorization;
• Third-party service providers: We may engage trusted third parties (such as cloud service providers, data analytics platforms) to process data, but only for the purposes described in this policy, requiring them to maintain the same strict confidentiality measures;
• Legal requirements: When required by laws, regulations, court orders, or government regulatory agencies;
• Protection of rights and security: When necessary to protect the legitimate rights, interests, or property safety of the Website, users, or the public.

All sharing is conducted in accordance with the principle of minimum necessity.

4. Security Protection Measures

We implement industry-standard security technologies to protect your information:

• Data transmission uses TLS encryption protocol;
• Stored data is encrypted using AES-256;
• Regular security vulnerability scanning and penetration testing;
• Internal access control mechanisms to minimize employee data access privileges.

5. User Rights

Under applicable privacy laws (including but not limited to the Personal Information Protection Law), you have the following rights:

• Access and Correction: You have the right to request access to your personal information held by us and to correct inaccuracies;
• Right to Deletion: Under certain conditions (e.g., information no longer necessary, withdrawal of consent), you have the right to request deletion of your personal information;
• Restriction of Processing: You have the right to restrict how we process your information;
• Data Portability: You have the right to receive the information you have provided in a structured, commonly used format;
• Withdrawal of Consent: For information processed based on consent, you have the right to withdraw your consent at any time.

To exercise these rights, please contact us via the information at the end of this policy. We will respond within 30 days.

6. Cookie Policy

This Website uses cookies and similar technologies (such as local storage) to:

• Remember your preferences for charts and themes;
• Analyze website traffic and user behavior to improve services;
• Prevent malicious attacks and fraudulent activities.

You can refuse or delete cookies through your browser settings, but this may affect the proper functioning of some features. We do not store sensitive personal information in cookies.

7. Changes to the Privacy Policy

We may update this Privacy Policy from time to time. Material changes (such as expanded scope of information collection, changes in usage methods) will be notified to you via a prominent notice on the Website or a pop-up prompt. Your continued use of the Website constitutes acceptance of the revised policy.

This policy was last updated on May 5, 2026.

8. Contact Information

If you have any questions about this Privacy Policy, wish to file a complaint, or wish to exercise your privacy rights, please contact us via:

contact@zh-zg-pg.com

or submit information through the "Contact Us" page on the Website.