Privacy Policy

Last Updated: June 23, 2026

Songyuan Duanlian Network Technology Co., Ltd., operating as Duan Link (hereinafter referred to as Duan Link, we, us, or our), is committed to protecting the privacy and security of your personal information. This Privacy Policy describes how we collect, use, disclose, and safeguard your information when you visit our website at duanlink.lol (the Website) or engage with our computer systems design and integrated systems services.

By accessing or using our Website, you acknowledge that you have read, understood, and agree to be bound by the terms of this Privacy Policy. If you do not agree with this policy, please do not use our Website or services.

1. Information We Collect

1.1 Information You Provide to Us

We collect information that you voluntarily provide when you interact with our Website or engage our services, including:

  • Contact Information: Your name, email address, phone number, company name, and job title when you submit a contact form or request a consultation.
  • Project Information: Details about your systems design requirements, technical specifications, infrastructure details, and business objectives that you share during consultations or through our contact forms.
  • Communication Records: Records of correspondence, including emails, meeting notes, and messages sent through our Website.

1.2 Information Collected Automatically

When you visit our Website, we may automatically collect certain information about your device and usage patterns, including:

  • Usage Data: Pages visited, time spent on pages, navigation paths, and interaction with Website elements.
  • Device Information: IP address, browser type and version, operating system, device type, screen resolution, and referring URLs.
  • Cookies and Similar Technologies: We use cookies and similar tracking technologies to enhance your browsing experience and collect analytics data. You can control cookie preferences through your browser settings.

2. How We Use Your Information

We use the information we collect for the following purposes:

  • Service Delivery: To provide, maintain, and improve our computer systems design and integrated systems services, including responding to inquiries, preparing proposals, and delivering technical solutions.
  • Communication: To communicate with you about your projects, respond to your inquiries, send technical documentation, and provide updates about our services.
  • Business Operations: To manage our business operations, including client relationship management, billing, legal compliance, and internal record-keeping.
  • Website Improvement: To analyze Website usage patterns and improve the functionality, content, and user experience of our Website.
  • Marketing: With your consent where required by law, to send you information about our services, industry insights, and relevant technology updates. You may opt out of marketing communications at any time.
  • Legal Compliance: To comply with applicable laws, regulations, legal processes, and enforceable governmental requests.

3. How We Share Your Information

We do not sell, rent, or trade your personal information to third parties. We may share your information in the following circumstances:

  • Service Providers: With trusted third-party service providers who assist us in operating our Website, conducting our business, and delivering our services, subject to confidentiality agreements and data protection obligations.
  • Professional Advisors: With our legal, financial, and other professional advisors as necessary for business operations and compliance.
  • Legal Requirements: When required by law, court order, or governmental regulation, or when we believe in good faith that disclosure is necessary to protect our rights, your safety, or the safety of others.
  • Business Transfers: In connection with a merger, acquisition, reorganization, or sale of all or a portion of our assets, subject to standard confidentiality arrangements.

4. Data Security

We implement and maintain reasonable and appropriate technical, administrative, and physical security measures designed to protect your personal information from unauthorized access, disclosure, alteration, and destruction. These measures include encryption of data in transit and at rest, access controls, network security monitoring, regular security assessments, and employee training on data protection practices.

However, no method of electronic storage or transmission over the Internet is 100% secure. While we strive to protect your personal information, we cannot guarantee its absolute security. We encourage you to take steps to protect your own information, including using strong passwords and keeping your login credentials confidential.

5. Data Retention

We retain your personal information for as long as necessary to fulfill the purposes described in this Privacy Policy, unless a longer retention period is required or permitted by law. The criteria used to determine our retention periods include:

  • The duration of our relationship with you as a client or prospective client.
  • Legal obligations to retain records for a specified period under applicable laws.
  • The existence of pending or potential legal proceedings.
  • Industry standards and best practices for data retention in the computer systems design sector.

6. Your Rights and Choices

Depending on your jurisdiction, you may have certain rights regarding your personal information, including:

  • Access: The right to request a copy of the personal information we hold about you.
  • Correction: The right to request that we correct inaccurate or incomplete personal information.
  • Deletion: The right to request that we delete your personal information, subject to certain exceptions.
  • Restriction: The right to request that we restrict the processing of your personal information in certain circumstances.
  • Portability: The right to receive your personal information in a structured, commonly used, and machine-readable format.
  • Objection: The right to object to the processing of your personal information for direct marketing purposes or where processing is based on legitimate interests.

To exercise any of these rights, please contact us using the contact information provided at the end of this Privacy Policy. We will respond to your request within the timeframes required by applicable law.

7. International Data Transfers

Duan Link is headquartered in Songyuan City, Jilin Province, People's Republic of China, and may process and store information on servers located in various jurisdictions. If you are accessing our Website from outside China, please be aware that your information may be transferred to, stored, and processed in China or other countries where our servers or service providers are located. By using our Website or services, you consent to the transfer of your information to countries that may have data protection laws different from those in your country of residence.

8. Cookies and Tracking Technologies

Our Website uses cookies and similar tracking technologies to enhance your browsing experience, analyze Website traffic, and understand where our visitors come from. Cookies are small text files placed on your device when you visit a website. We use the following types of cookies:

  • Essential Cookies: Necessary for the Website to function properly and enable core functionality such as security and accessibility.
  • Analytics Cookies: Help us understand how visitors interact with our Website by collecting and reporting information anonymously.
  • Functional Cookies: Enable enhanced functionality and personalization, such as remembering your preferences.

You can control and manage cookies through your browser settings. Please note that disabling certain cookies may affect the functionality of our Website.

9. Children's Privacy

Our Website and services are not directed to individuals under the age of 18. We do not knowingly collect personal information from children. If we become aware that we have inadvertently collected personal information from a child under 18, we will take steps to delete such information promptly. If you believe that a child has provided us with personal information, please contact us immediately.

10. Third-Party Links

Our Website may contain links to third-party websites, platforms, or services that are not owned or controlled by Duan Link. This Privacy Policy does not apply to those third-party sites. We are not responsible for the privacy practices of third parties, and we encourage you to review the privacy policies of any third-party sites you visit.

11. Changes to This Privacy Policy

We reserve the right to update or modify this Privacy Policy at any time. When we make changes, we will revise the Last Updated date at the top of this page and post the updated policy on our Website. We encourage you to review this Privacy Policy periodically to stay informed about how we protect your information. Your continued use of our Website after we post modifications constitutes your acknowledgment and acceptance of the updated Privacy Policy.

12. Contact Us

If you have any questions, concerns, or requests regarding this Privacy Policy or our data protection practices, please contact us at:

Songyuan Duanlian Network Technology Co., Ltd.
Room C094, 4F, Building 2, Commercial Complex
Boxue Road, Ningjiang District
Songyuan City, Jilin Province, 131000
China

Email: xusheng@duanlink.lol
Phone: +1 (775) 288-2763