To protect users' personal information rights and interests, this exhibition mini-program (hereinafter referred to as "this mini-program") has formulated this privacy policy in accordance with laws and regulations such as the "Personal Information Protection Law of the People's Republic of China" and the "WeChat Mini-Program Platform Operation Guidelines", as well as platform rules.

By registering, logging in, and using this Mini Program service, you represent that you have read and agree to all terms of this Privacy Policy, and acknowledge our collection, use, and storage of your relevant personal information in accordance with this Policy.

I. Scope of Information Collection: This mini-program adheres to the "minimum necessary" principle, collecting and using user information required for exhibition services. The specific scope is as follows:

1. Actively Submitted Information: The nickname, mobile phone number, and exhibition registration-related information you voluntarily fill in during registration, visit appointment, and exhibition participation application.

2. WeChat authorization information: Basic public information such as WeChat nickname, avatar, and OpenID obtained after your authorization, used for account login and identity verification.

3. Service log information: Access records, operation logs, and basic device identifiers generated by the operation of the mini program, used to ensure system stability, troubleshoot issues, and prevent security risks.

This mini-program will not proactively collect sensitive information such as bank cards, passwords, location, contact lists, photo albums, etc., except when you explicitly authorize and the service necessitates it.

II. Information Usage Rules We will only use the collected personal information for the following service scenarios and will not use it beyond the scope:

1. Complete account registration, login, and identity verification to ensure normal account usage;

2. Provide core services such as exhibition reservation, registration, and information inquiry;

3. Push exhibition service notifications and event reminders (which can be turned off voluntarily);

4. Optimize mini-program functions, fix bugs, and enhance user experience;

5. Fulfill legal obligations and cooperate with compliance verification.

All user information is solely used for the purposes specified in this policy and is not utilized for unrelated marketing, advertisement push, or other scenarios.

III. Information Storage and Protection

1. Storage Period: User data will only be retained during the service duration. Upon account cancellation or service termination, the data will be promptly deleted or anonymized, unless otherwise stipulated by law.

2. Security protection: Adopt industry-standard encryption, access control, and other technical and management systems to prevent information leakage, tampering, and loss risks, ensuring user information security.

3. Access control: User data is managed in isolation, and only authorized personnel can use it in accordance with regulations. Unauthorized retrieval and dissemination of user information is strictly prohibited.

IV. Information Sharing and Disclosure

We will not sell, rent, or transfer user personal information to third parties without permission. We may share or disclose such information only in the following legal circumstances in accordance with regulations: 1. With your active consent or explicit authorization; 2. To cooperation service providers necessary for exhibition services, who have signed confidentiality agreements and are subject to strict compliance control; 3. When required to disclose by judicial or regulatory authorities in accordance with laws and regulations; 4. To safeguard public interests or the legitimate rights and interests of users, and in accordance with legal provisions.

V. User Rights You have the right to inquire about, correct, delete, withdraw authorization for, and cancel your account of personal information:

1. You can independently view and correct your basic personal information in the personal center of the mini program;

2. You can withdraw subsequent authorization at any time. After withdrawal, we will no longer continue to collect the corresponding information, which will not affect the previously legal data processing behavior.