Privacy Policy

1. Introduction

SUNNY ENGINEERING ("we", "our", or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your personal information when you use our CAD library platform.

2. Information We Collect

2.1 Personal Information

When you register or make a purchase, we collect:

• Name and email address
• Phone number
• Business name and registration number (optional)
• Payment information (processed securely through PortOne)

2.2 Transaction Information

• Purchase history and order details
• Downloaded products and download timestamps
• Payment transaction records

2.3 Technical Information

• IP address and browser type
• Device information and operating system
• Pages visited and time spent on site
• Referring website addresses

3. How We Use Your Information

We use collected information for:

• Service Provision: Process orders, deliver files, and manage your account
• Payment Processing: Complete transactions through our payment partner (PortOne)
• Communication: Send purchase confirmations, download links, and service updates
• Customer Support: Respond to inquiries and provide technical assistance
• Legal Compliance: Maintain records for tax and regulatory requirements
• Service Improvement: Analyze usage patterns to enhance user experience
• Security: Prevent fraud and unauthorized access

4. Information Sharing and Disclosure

We do not sell your personal information. We may share information with:

4.1 Service Providers

• Payment Processor: PortOne (KG Inicis) for secure payment processing
• Email Services: For sending transactional emails and notifications
• Cloud Storage: Supabase for secure data storage and file hosting

4.2 Legal Requirements

We may disclose information when required by law, court order, or to protect our legal rights and safety.

5. Data Retention

We retain your information for:

• Account Information: Duration of active account plus 3 years
• Transaction Records: 5 years (Korean tax law requirement)
• Download History: Indefinitely to support customer access
• Marketing Communications: Until you opt-out or withdraw consent

6. Your Rights

Under Korean Personal Information Protection Act (PIPA), you have the right to:

• Access: Request a copy of your personal information
• Correction: Update or correct inaccurate information
• Deletion: Request deletion of your information (subject to legal requirements)
• Data Portability: Receive your data in a structured format
• Opt-out: Unsubscribe from marketing communications
• Withdraw Consent: Revoke previously given consent

To exercise these rights, contact us at: tklee97twin@naver.com

7. Data Security

We implement security measures to protect your information:

• SSL/TLS encryption for data transmission
• Secure authentication via Supabase Auth
• Regular security audits and updates
• Access controls and authentication requirements
• Secure payment processing through PCI-compliant provider

However, no method of transmission over the Internet is 100% secure. While we strive to protect your information, we cannot guarantee absolute security.

8. Cookies and Tracking

We use cookies and similar technologies to:

• Maintain your login session
• Remember your preferences
• Analyze site traffic and usage patterns

You can control cookies through your browser settings. Disabling cookies may limit some site functionality.

9. Children's Privacy

Our service is not intended for users under 18 years of age. We do not knowingly collect information from children. If you believe we have collected information from a minor, please contact us immediately.

10. International Data Transfers

Your information is stored on servers located in South Korea. By using our service, you consent to the transfer and processing of your information in South Korea.

11. Changes to This Policy

We may update this Privacy Policy periodically. We will notify you of significant changes via email or prominent notice on our website. Your continued use of the service after changes constitutes acceptance of the updated policy.

12. Contact Information

For privacy-related questions or concerns, contact us:

13. Compliance with Korean Laws

This Privacy Policy complies with the Personal Information Protection Act (PIPA) and other applicable Korean data protection regulations.