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Privacy Policy

Last updated: March 27, 2026

Daonio, Inc. (“Daonio”, “we”, “our”, or “us”) operates the HangXom mobile application and related services (the “Service”). This Privacy Policy explains how we collect, use, and protect your information when you use HangXom. By using the Service, you agree to the collection and use of information in accordance with this policy.

1. Information We Collect

We may collect the following types of information when you use HangXom:

1.1 Account Information
When you register for an account, we may collect:

  • Phone number
  • Username or display name
  • Profile information
Your phone number is used to verify your identity through SMS verification codes (OTP).

1.2 Usage Information We may collect information about how you use the Service, including login activity, device information, and interaction with listings or messages.

1.3 Location Information HangXom uses approximate location information to help users interact with nearby community members and local listings.

2. How We Use Your Information

We use the collected information to:

  • Create and manage user accounts
  • Verify phone numbers using SMS authentication
  • Provide messaging and marketplace features
  • Improve service performance and security
  • Prevent fraud and unauthorized activity
  • Provide customer support

3. SMS Messaging and Authentication

HangXom sends SMS messages containing one-time verification codes (OTP) to confirm user phone numbers and for secure login authentication.

  • Consent: By providing your mobile number and requesting a code, you consent to receive an SMS from HangXom.
  • Frequency: Message frequency varies based on user requests for authentication.
  • Rates: Standard message and data rates may apply from your carrier.
  • Opt-out: You can opt-out of SMS at any time by replying STOP. For help, reply HELP.

4. Information Sharing and Privacy

We do not sell, rent, or lease your personal information to third parties.

4.1 Mobile Information Privacy (SMS Opt-in Data)
No mobile information will be shared with third parties/affiliates for marketing or promotional purposes. All the above categories exclude text messaging originator opt-in data and consent; this information will not be shared with any third parties.

4.2 Service Providers We may use trusted third-party providers (e.g., SMS delivery providers like Infobip, cloud infrastructure) to help operate the Service. These providers are strictly required to protect your information and use it only for providing services to HangXom.

4.3 Legal Requirements We may disclose information if required to do so by law or in response to valid legal requests.

5. Data Security

We take reasonable technical and organizational measures to protect user information from unauthorized access, disclosure, alteration, or destruction.
However, no method of internet transmission or electronic storage is 100% secure.

6. Data Retention

We retain personal information only as long as necessary to provide the Service and comply with legal obligations. Users may request deletion of their account and associated data by contacting us.

7. Children's Privacy

HangXom is not intended for users under the age of 13. We do not knowingly collect personal information from children. If we become aware that a child has provided personal information, we will delete such information immediately.

8. Changes to This Policy

We may update this Privacy Policy from time to time. Updates will be posted on this page with the revised "Last updated" date. Continued use of the Service after updates indicates acceptance of the updated policy.

9. Contact Us

If you have any questions about this Privacy Policy, please contact us: Daonio, Inc. Cypress, California, United States

Email: support@daonio.com