Last Updated: January 1, 2026
Beijing Threshold Microbial Technology Co., Ltd ("we," "us," or "our") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our mobile applications, website (bjyuwei.com), and related services (collectively, the "Services").
Please read this Privacy Policy carefully. By accessing or using our Services, you acknowledge that you have read, understood, and agree to be bound by all the terms of this Privacy Policy. If you do not agree with the terms of this Privacy Policy, please do not access the Services.
We may collect personal information that you voluntarily provide to us when you:
This information may include:
When you use our Services, we may automatically collect certain information, including:
We may receive information about you from third parties, including:
We use the information we collect for various purposes, including:
We may share your information in the following circumstances:
We may share your information with third-party service providers who perform services on our behalf, including:
If we are involved in a merger, acquisition, asset sale, or bankruptcy, your information may be transferred as part of that transaction. We will notify you before your information is transferred and becomes subject to a different privacy policy.
We may disclose your information if required to do so by law or in response to valid requests by public authorities (e.g., courts or government agencies).
We may share your information with third parties when you explicitly consent to such sharing.
We use third-party advertising and analytics services to deliver advertisements and analyze usage of our Services. These services may collect information about your visits to our Services and other websites to provide relevant advertisements.
Our mobile applications may integrate the following advertising platforms:
Our applications may display the following types of advertisements:
Advertising platforms may use cookies, device identifiers, and other tracking technologies to collect information about your activities across different apps and websites. This information is used to:
For information about how these advertising platforms use your data, please refer to their respective privacy policies:
You can opt out of personalized advertising through your device settings:
Additionally, you can use the following opt-out tools:
We will retain your personal information only for as long as necessary to fulfill the purposes for which it was collected, including:
The retention period varies depending on the type of information and the purpose for which it was collected. We will delete or anonymize your personal information when it is no longer needed, or when you request deletion (subject to legal retention requirements).
We implement appropriate technical and organizational measures to protect your personal information against unauthorized access, alteration, disclosure, or destruction. These measures include:
However, no method of transmission over the Internet or electronic storage is 100% secure. While we strive to protect your personal information, we cannot guarantee its absolute security.
Depending on your location, you may have certain rights regarding your personal information:
You may request access to the personal information we hold about you and receive a copy in a portable format.
You may request that we correct inaccurate or incomplete personal information.
You may request that we delete your personal information, subject to certain exceptions.
You may request that we restrict the processing of your personal information under certain circumstances.
You may object to our processing of your personal information for direct marketing purposes or based on our legitimate interests.
If we rely on your consent to process your personal information, you may withdraw that consent at any time.
To exercise these rights, please contact us at support@bjyuwei.com. We will respond to your request within the timeframes required by applicable law.
Our Services are not directed to children under the age of 13 (or applicable age of digital consent in your jurisdiction). We do not knowingly collect personal information from children under 13.
In compliance with the Children's Online Privacy Protection Act (COPPA), we do not collect personal information from children under 13 without verifiable parental consent. If we become aware that we have collected personal information from a child under 13 without parental consent, we will take steps to delete that information promptly.
For users in the European Union under the age of 16 (or the applicable age in your member state), we require parental consent before collecting personal information. If you are a parent or guardian and believe your child has provided us with personal information without your consent, please contact us immediately.
Our applications may include age verification mechanisms. Users who indicate they are under the applicable age will not be served personalized advertisements and will have limited data collection.
Your information may be transferred to and processed in countries other than your country of residence. These countries may have different data protection laws. When we transfer your information to other countries, we will:
For users in the European Economic Area (EEA), such transfers are conducted under appropriate legal mechanisms, including Standard Contractual Clauses approved by the European Commission.
If you are located in the European Union or European Economic Area, you have additional rights under GDPR:
Our Data Protection Officer can be contacted at support@bjyuwei.com.
If you are a California resident, you have specific rights under the CCPA:
We do not sell personal information in the traditional sense. However, our use of advertising identifiers for personalized advertising may be considered a "sale" under CCPA. You can opt out by adjusting your device settings and ad tracking preferences.
As required by CalOPPA, we agree to the following:
If you are located in Canada, we comply with PIPEDA by obtaining your consent for the collection, use, and disclosure of your personal information.
If you are located in Brazil, you have rights under LGPD, including the right to confirm the existence of processing, access to data, correction of incomplete or inaccurate data, anonymization, portability, deletion of data processed with consent, and information about third parties.
If you are located in Australia, we comply with the Australian Privacy Principles under the Privacy Act 1988.
If you are located in China, we comply with PIPL requirements for cross-border data transfers and consent.
Our applications available on Google Play comply with Google Play's privacy and data safety requirements, including:
Our applications available on the Apple App Store comply with Apple's App Store Review Guidelines, including:
Our applications available on Amazon Appstore comply with Amazon's privacy and security requirements.
We use cookies and similar tracking technologies to collect and track information about your usage of our Services. These technologies help us:
You can manage cookies through your browser settings. However, disabling cookies may affect the functionality of our Services.
Our Services may contain links to third-party websites, applications, or services. We are not responsible for the privacy practices of these third parties. We encourage you to review the privacy policies of any third-party services you access.
We may update this Privacy Policy from time to time. We will notify you of any material changes by:
Your continued use of our Services after any changes indicates your acceptance of the updated Privacy Policy.
If you have any questions, concerns, or requests regarding this Privacy Policy or our privacy practices, please contact us:
Address: Room 106-1, East Office Building
No. 22 Hongguang Village, Shilibao Town
Miyun District, Beijing
China
Email: support@bjyuwei.com
Website: bjyuwei.com