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Privacy Policy

Last updated: November 10, 2025

1. Information We Collect

1.1 Personal Information

When you schedule an appointment or make a purchase, we collect:

  • Name and email address
  • Phone number (optional)
  • Payment information (processed securely through PayPal)
  • Appointment preferences and scheduling data

1.2 Technical Information

During service delivery, we may access:

  • System specifications and hardware information
  • Operating system version and settings
  • Network configuration (for internet optimization services)
  • Software and driver versions

1.3 Automatically Collected Information

  • IP address and browser information
  • Cookies and similar tracking technologies
  • Usage data and analytics

2. How We Use Your Information

We use collected information to:

  • Provide services: Deliver optimization services and technical support
  • Communication: Send appointment confirmations, updates, and support messages
  • Payment processing: Complete transactions through PayPal
  • Service improvement: Analyze usage patterns to enhance our services
  • Legal compliance: Comply with applicable laws and regulations

3. Data Sharing and Disclosure

3.1 Third-Party Service Providers

We share data with:

  • PayPal: For payment processing
  • Firebase/Google Cloud: For data storage and hosting
  • EmailJS: For email communication

3.2 We Do NOT:

  • Sell your personal information to third parties
  • Share your data for marketing purposes without consent
  • Disclose your information except as required by law

4. Data Security

We implement security measures to protect your information:

  • Secure HTTPS connections for all data transmission
  • Encrypted storage using Firebase security rules
  • Secure payment processing through PayPal (PCI compliant)
  • Regular security audits and updates
  • Limited access to personal data (only authorized personnel)
Important: While we implement robust security measures, no method of transmission over the Internet is 100% secure. We cannot guarantee absolute security.

5. Data Retention

We retain your information:

  • Account data: Until you request deletion
  • Transaction records: For 7 years (tax and legal compliance)
  • Support tickets: For 2 years
  • Marketing data: Until you unsubscribe

6. Your Rights

You have the right to:

  • Access: Request a copy of your personal data
  • Correction: Update or correct inaccurate information
  • Deletion: Request deletion of your personal data
  • Opt-out: Unsubscribe from marketing communications
  • Data portability: Receive your data in a structured format

To exercise these rights, contact us at: support@liantech.com

7. Cookies and Tracking

We use cookies and similar technologies for:

  • Session management and user authentication
  • Remembering your preferences (language, settings)
  • Analytics and performance monitoring
  • Security and fraud prevention

You can control cookies through your browser settings, but this may affect website functionality.

8. Children's Privacy

Our services are not directed to children under 13. We do not knowingly collect personal information from children. If you believe we have collected information from a child, please contact us immediately.

9. International Data Transfers

Your information may be transferred to and processed in countries other than your own. We ensure appropriate safeguards are in place to protect your data in accordance with this Privacy Policy.

10. Changes to Privacy Policy

We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated revision date. We encourage you to review this policy periodically.

11. Contact Us

If you have questions about this Privacy Policy or our data practices: