Privacy Policy

Last Updated: July 9, 2026

Effective Date: July 9, 2026

This Privacy Policy applies to your access to and use of the Minecho website, applications, APIs, memberships, credits, and related AI audio and video processing services provided by Guangfan Technology Co., Ltd. ("we," "us," or "our"). It explains how we collect, use, store, share, transfer, publicly disclose, and protect personal information, and how you can exercise your rights.

Please read this Privacy Policy carefully before using the Services. By using the Services, you acknowledge that you understand and agree to our processing of personal information as described in this Policy. If you do not agree, please stop using the Services.

I. Definitions

1. Personal information means information recorded electronically or otherwise that can identify a specific natural person, either alone or together with other information.
2. Sensitive personal information means personal information that, if leaked or unlawfully used, may harm personal dignity or personal or property safety, including biometric information, communication content, precise location, financial accounts, and children's personal information.
3. User Content means text, audio, video, images, subtitles, translations, voice samples, voice names, project names, task outputs, and other content you upload, enter, submit, or generate.
4. De-identification and anonymization mean technical processing that reduces or removes the possibility of identifying a specific person. Anonymized information is no longer personal information.

II. Information We Collect and Use

We follow the principles of lawfulness, legitimacy, necessity, and good faith, and collect information only as needed to provide the Services, protect security, perform contracts, and comply with legal obligations.

1. Account information: mobile phone number, email, WeChat nickname, avatar, WeChat OpenID/UnionID, login credentials, encrypted password digest, account status, registration time, and login records.
2. Identity and authorization information: authorization confirmations, identity-verification materials, contact details, or supporting documents for voice cloning, appeals, account recovery, invoices, refunds, compliance review, or rights complaints.
3. Uploaded and generated information: text, audio, video, images, subtitles, language settings, voice parameters, voice samples, generated outputs, task IDs, task status, processing logs, and download records needed for text to speech, AI dubbing, video translation, voice changing, voice cloning, subtitles, and translation.
4. Order and payment information: order number, product name, amount, payment channel, payment status, transaction time, benefit delivery records, and refund records. Payment is usually processed by third-party payment institutions, and we generally do not directly collect full bank card numbers or payment passwords.
5. Invoice information: invoice title, tax ID, amount, email, remarks, and invoice status where you request an invoice.
6. Customer support information: contact details, account information, task IDs, communications, attachments, and handling records when you contact support or submit feedback, complaints, appeals, or infringement notices.
7. Device and log information: IP address, browser type, device model, operating system, language, access time, page paths, click records, error logs, network status, CAPTCHA interaction information, and security risk-control records.
8. Cookie and similar technology information: login status, preferences, security records, basic analytics, and experience-improvement data.

III. How We Use Information

We use information to:

1. Create, maintain, and protect accounts, including login, verification, account recovery, and account cancellation.
2. Receive, transcode, recognize, translate, generate, synthesize, store, and display task content and outputs.
3. Deliver memberships, credits, downloads, invoices, promotions, and other benefits, and process payments, refunds, and order management.
4. Confirm voice authorization, review content safety, handle infringement complaints, troubleshoot tasks, and provide customer support.
5. Maintain service security and prevent fraud, abuse, attacks, scraping, malicious registration, abnormal transactions, and unlawful content.
6. Improve product experience, model performance, page performance, stability, and support quality.
7. Comply with laws, regulations, regulatory requirements, and lawful requests from judicial or administrative authorities.

We will not use your non-public uploaded files, voice samples, or generated content in public marketing materials without separate authorization.

IV. Cookies and Similar Technologies

1. We use cookies and similar technologies for login status, account security, preferences, basic analytics, page performance, and service improvement.
2. You can refuse or manage cookies through browser settings. Some login, purchase, task-management, or security-verification features may not work properly if cookies are disabled.
3. If we use third-party analytics or statistics tools, we require them to process data only as necessary and to follow applicable data-protection requirements.

V. Sharing, Entrusted Processing, Transfer, and Public Disclosure

1. Entrusted processing: We may entrust partners to process necessary information for infrastructure, cloud storage, audio and video processing, AI model inference, payments, SMS, email, support, analytics, and security risk control. We require partners to follow agreed processing purposes, periods, methods, security measures, and confidentiality obligations.
2. Sharing: We share necessary information only where required to provide the Services, with your consent, for contract performance, security protection, complaint handling, dispute resolution, or legal compliance. Recipients may include affiliates, payment institutions, cloud providers, SMS/email providers, support systems, and content-safety providers.
3. Transfer: If a merger, split, acquisition, asset transfer, bankruptcy liquidation, or similar transaction involves transfer of personal information, we will require the new holder to continue to be bound by this Policy or obtain your consent again.
4. Public disclosure: We do not publicly disclose personal information unless we obtain your explicit consent, are required by law or competent authorities, or need to handle serious violations, infringement, or security risks in accordance with law.
5. Exceptions: Under applicable law, consent may not be required for processing, sharing, or disclosure related to legal obligations, public safety, criminal investigations, protection of life or property, information you publicly disclose, or information collected from lawful public sources.

VI. Storage

1. Storage location: In accordance with PRC laws and regulations, personal information collected and generated during our operations in mainland China is stored within the People's Republic of China. If cross-border transfer becomes necessary, we will complete legally required procedures and obtain necessary consent.
2. Storage period: We retain personal information only for the shortest period necessary for the purposes described in this Policy, unless a longer period is required or permitted by law.
3. Tasks and files: Retention periods for uploaded files, voice samples, task outputs, and downloads may vary by feature, membership benefit, credit rule, page description, or support need. You may delete certain files or task records through available features; expired data will be deleted or anonymized.
4. Orders, invoices, logs, and security records: We may retain these records for periods required for transactions, tax, audit, dispute resolution, and security compliance.

VII. Security

1. We use security measures appropriate to the Services, including access controls, permission review, encrypted transmission, isolated storage, log audit, backup recovery, security training, and confidentiality management.
2. We use HTTPS/TLS and similar methods to protect transmission security, and encrypt or hash sensitive information such as account passwords.
3. We allow access only to employees, partners, and service providers who need to know the information and require confidentiality and security obligations.
4. The internet is not completely secure. If a personal information security incident occurs, we will notify you as required by law of the incident, impact, measures taken or to be taken, risk-reduction suggestions, and remedies, and report to regulators where required.

VIII. Your Rights

Subject to applicable law, you may:

1. Access, correct, or supplement account information, mobile phone number, email, avatar, password, and some task information.
2. Delete certain files, task records, or other personal information you uploaded.
3. Withdraw consent or manage cookies, marketing notifications, and account bindings.
4. Cancel your account. After identity verification and necessary processing, we will delete or anonymize relevant personal information according to law.
5. Obtain a copy of your personal information or request portability where supported by law.
6. Request an explanation of our processing rules, or submit complaints, reports, and appeals.

To protect security, we may verify your identity. We may lawfully refuse requests that are repetitive without justification, excessive, technically disproportionate, harmful to others' rights, or not required by law.

IX. Minors

1. The Services are primarily intended for users with full civil capacity. If you are a child under 14, you should use the Services only with the consent and guidance of a parent or other guardian.
2. If we discover that we collected a child's personal information without verifiable guardian consent, we will delete the relevant information as soon as possible.
3. Guardians may contact us using the details below with questions about children's personal information.

X. Third-Party Services

The Services may include third-party websites, payment channels, login channels, cloud services, content-safety tools, or support tools. Third-party services have their own privacy policies and user terms. Please read them before use. We carefully select partners where necessary, but we are not responsible beyond legal requirements for third parties' independent processing of your information.

XI. Updates

We may update this Policy due to changes in law, product features, data processing, or operations. For material changes, we will notify you through page announcements, pop-ups, in-site messages, email, or other reasonable methods. The updated Policy will be published on minecho.com or relevant pages and take effect on the stated date.

XII. Contact Us

For questions, comments, complaints, reports, or rights requests related to this Policy or personal information processing, contact us at minecho@guangfan.tech. We generally respond within 15 business days after receiving your request and verifying your identity.