Privacy policy

Effective Date: July 9, 2026 | Last Updated: July 9, 2026

This Privacy Policy describes how Hangzhou Le Guang E-Business Co.,Ltd ("we," "us," or "our"), operating under the brand name MUDKINGDOM (also referred to as "Mud Kingdom"), collects, uses, stores, and protects information when you interact with our services, websites, and applications.

We are committed to safeguarding your privacy and handling your personal information responsibly. Please read this policy carefully to understand our practices.

1. Information We Collect

1.1 Information You Provide Directly

  • Account Information: When you create an account or use Login with Amazon, we may receive your name, email address, and other profile information associated with your account.
  • Customer Support: When you contact us, we may collect your name, contact details, and the content of your communications.
  • Surveys and Feedback: If you participate in surveys or provide feedback, we may collect the information you voluntarily submit.

1.2 Information Collected Automatically

  • Device and Usage Data: We may collect information about your device, browser type, IP address, operating system, and how you use our website or application.
  • Cookies and Similar Technologies: We use cookies, web beacons, and similar technologies to enhance your experience, analyze site traffic, and personalize content.

1.3 Information from Amazon Services

When you authorize our application through Login with Amazon or use our Amazon Ads management tools, we may access certain data from your Amazon account as permitted by your authorization, including:

  • Amazon advertising campaign data, performance metrics, and reporting information
  • Account identifiers necessary to provide our advertising management services
  • Product listing information relevant to advertising campaigns

We only access data that you explicitly authorize and use it solely to provide the services you have requested.

2. How We Use Your Information

We use the information we collect for the following purposes:

  • Service Delivery: To provide, operate, and maintain our advertising management tools and related services.
  • Advertising Management: To create, manage, optimize, and report on Amazon advertising campaigns on behalf of our authorized seller accounts.
  • Analytics and Improvement: To analyze usage patterns, improve our services, and develop new features.
  • Communication: To send you service-related notices, respond to inquiries, and provide customer support.
  • Legal Compliance: To comply with applicable laws, regulations, and legal processes.
  • Security: To protect against unauthorized access, fraud, and other security threats.

3. Information Sharing and Disclosure

We do not sell your personal information. We may share your information only in the following limited circumstances:

  • Service Providers: With trusted third-party service providers who assist us in operating our services, subject to confidentiality obligations.
  • Amazon Platform: As required by Amazon APIs and services to deliver the functionality you have authorized.
  • Legal Requirements: When required by law, regulation, legal process, or to protect the rights and safety of our users and the public.
  • Business Transfers: In connection with a merger, acquisition, or sale of assets, with appropriate notice to affected users.

4. Data Retention

We retain your personal information only 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. When information is no longer needed, we securely delete or anonymize it.

Advertising campaign data accessed through Amazon APIs is retained for the duration of your use of our services and for a reasonable period thereafter for historical reporting purposes.

5. Data Security

We implement industry-standard administrative, technical, and physical security measures to protect your personal information against unauthorized access, alteration, disclosure, or destruction. These measures include:

  • Encryption of data in transit using TLS/SSL protocols
  • Secure storage with access controls and authentication
  • Regular security assessments and updates
  • Employee training on data handling and security practices

However, no method of transmission or electronic storage is completely secure. While we strive to use commercially acceptable means to protect your information, we cannot guarantee absolute security.

6. Children Privacy (COPPA Compliance)

Our products are children clothing sold through the Amazon marketplace. However, our website and advertising management tools are directed at adult consumers and business users, not children under 13 years of age.

We do not knowingly collect personal information from children under 13. If we become aware that we have inadvertently collected such information, we will take immediate steps to delete it. If you believe we have collected information from a child under 13, please contact us immediately at the address below.

7. Your Rights and Choices

7.1 Access and Control

Depending on your jurisdiction, you may have the right to:

  • Access, correct, or delete your personal information
  • Object to or restrict certain processing of your data
  • Data portability - receive your data in a structured, machine-readable format
  • Withdraw consent at any time (where processing is based on consent)

7.2 Cookie Preferences

You can manage cookie preferences through your browser settings. Note that disabling cookies may affect the functionality of our website.

7.3 Amazon Authorization

You can revoke our access to your Amazon account data at any time through your Amazon account settings. Revoking access will limit our ability to provide advertising management services for your account.

8. International Data Transfers

We are based in China and our services are operated from China. If you are accessing our services from outside China, please be aware that your information may be transferred to, stored in, and processed in China. We take appropriate safeguards to protect your information in accordance with this Privacy Policy and applicable data protection laws.

9. Third-Party Links

Our website and services may contain links to third-party websites, including Amazon.com and other external sites. We are not responsible for the privacy practices or content of these third-party sites. We encourage you to review their privacy policies before providing any personal information.

10. Changes to This Privacy Policy

We may update this Privacy Policy from time to time to reflect changes in our practices, services, or legal requirements. When we make material changes, we will notify you by updating the "Last Updated" date at the top of this page and, where appropriate, providing additional notice through our website or services.

We encourage you to review this Privacy Policy periodically to stay informed about how we protect your information.

11. Contact Us

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

Hangzhou Le Guang E-Business Co.,Ltd
Brand: MUDKINGDOM (Mud Kingdom)
Email: hzlgdzsw@163.com
Website: https://mudkingdom.com
Address: Hangzhou, Zhejiang Province, China