1. Introduction

Beijing Kesier Technology Development Co., Ltd. ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you visit our website bjkesier.com (the "Site") or use our mobile applications (the "Apps") available on Google Play and the App Store.

Please read this Privacy Policy carefully. By accessing or using our Site or Apps, you acknowledge that you have read, understood, and agree to be bound by all the terms of this Privacy Policy.

2. Information We Collect

2.1 Information You Provide

  • Contact information (name, email address, phone number)
  • Business information (company name, job title)
  • Communication preferences
  • Feedback and survey responses
  • User-generated content

2.2 Information Collected Automatically

  • Device information (device type, operating system, unique device identifiers)
  • Usage data (pages visited, time spent, click patterns)
  • IP address and location data
  • Browser type and version
  • Referring website or application

2.3 Mobile App Specific Information

Our mobile applications may collect:

  • Device performance data
  • App usage analytics
  • Crash reports and diagnostics
  • Push notification tokens
  • Device storage information (with your permission)

3. How We Use Your Information

We use the information we collect to:

  • Provide, maintain, and improve our services
  • Process transactions and send related information
  • Send technical notices, updates, and support messages
  • Respond to your comments, questions, and requests
  • Analyze usage patterns to improve user experience
  • Monitor and prevent technical issues
  • Deliver personalized content and recommendations
  • Comply with legal obligations

4. Third-Party Services and Advertising

We use third-party advertising and analytics services to support our mobile applications and website. These services may collect information about your device and your use of our services.

4.1 Advertising Networks

Our mobile applications may display advertisements from the following advertising networks and platforms:

Google AdMob

Our apps use Google AdMob, a mobile advertising platform provided by Google LLC. AdMob helps us monetize our free applications through relevant advertisements. Google collects data to provide targeted advertising. For more information, visit: Google's Privacy Policy

Facebook Audience Network

We may use Facebook Audience Network to display advertisements in our applications. Facebook collects data to provide personalized advertising. For more information, visit: Facebook Privacy Policy

Unity Ads

Unity Technologies Pte. Ltd. provides Unity Ads, which may be integrated into our applications. For privacy information, visit: Unity Privacy Policy

AppLovin

AppLovin Corporation provides mobile advertising services. For privacy information, visit: AppLovin Privacy Policy

ironSource

ironSource Ltd. provides mobile advertising and monetization solutions. For privacy information, visit: ironSource Privacy Policy

Liftoff (Vungle)

Liftoff Mobile, Inc. (formerly Vungle) provides mobile advertising services. For privacy information, visit: Liftoff Privacy Policy

Pangle

Pangle (by ByteDance) provides mobile advertising services. For privacy information, visit: Pangle Privacy Policy

Chartboost

Chartboost GmbH provides mobile game advertising services. For privacy information, visit: Chartboost Privacy Policy

AdColony

AdColony (by Digital Turbine) provides mobile advertising services. For privacy information, visit: AdColony Privacy Policy

MoPub (Twitter)

MoPub, a division of Twitter, Inc., provides mobile advertising services. For privacy information, visit: Twitter Privacy Policy

Mintegral

Mintegral International Pte. Ltd. provides mobile advertising services. For privacy information, visit: Mintegral Privacy Policy

Ogury

Ogury Ltd. provides mobile advertising services. For privacy information, visit: Ogury Privacy Policy

InMobi

InMobi Pte. Ltd. provides mobile advertising and monetization services. For privacy information, visit: InMobi Privacy Policy

4.2 Types of Advertisements

Our mobile applications may display the following types of advertisements:

  • Splash Ads (Splash Screen Ads): Full-screen advertisements displayed when the app launches
  • Rewarded Video Ads: Video advertisements that users can watch in exchange for in-app rewards
  • Interstitial Ads: Full-screen advertisements displayed at natural transition points
  • Banner Ads: Rectangular advertisements displayed within the app interface
  • Native Ads: Advertisements designed to match the visual style of the app

4.3 Analytics Services

We use analytics services to understand how users interact with our applications:

  • Google Analytics for Firebase
  • Firebase Crashlytics
  • Adjust
  • AppsFlyer
  • Branch

5. Data Sharing and Disclosure

We may share your information with:

  • Service providers who assist in our operations
  • Advertising and analytics partners
  • Legal authorities when required by law
  • Business partners with your consent
  • Affiliates within our corporate group

6. Data Retention

We retain your personal data for as long as necessary to fulfill the purposes outlined in this policy, unless a longer retention period is required by law. Analytics data is typically retained for a maximum of 26 months.

7. Data Security

We implement appropriate technical and organizational measures to protect your personal data against unauthorized access, alteration, disclosure, or destruction. However, no method of transmission over the Internet is 100% secure.

8. Your Rights

Depending on your location, you may have the following rights:

  • Right to access your personal data
  • Right to correct inaccurate data
  • Right to delete your data
  • Right to restrict processing
  • Right to data portability
  • Right to object to processing
  • Right to withdraw consent

9. Children's Privacy

Our services are not directed to children under the age of 13 (or 16 in certain jurisdictions). We do not knowingly collect personal information from children under this age. If we become aware that we have collected data from a child under 13, we will take steps to delete such information promptly.

COPPA Compliance: We comply with the Children's Online Privacy Protection Act (COPPA). Our applications are not intended for children under 13 years of age, and we do not knowingly collect personal information from children under 13.

Age Ratings: Our mobile applications available on Google Play and App Store carry age ratings appropriate for general audiences. Parents should review these ratings and supervise children's use of our applications.

10. International Data Transfers

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 data internationally, we ensure appropriate safeguards are in place.

11. Regional Privacy Rights

11.1 European Union (GDPR)

If you are located in the European Economic Area (EEA), you have additional rights under the General Data Protection Regulation (GDPR), including the right to lodge a complaint with a data protection authority.

11.2 California, USA (CCPA/CPRA)

If you are a California resident, you have rights under the California Consumer Privacy Act (CCPA) and California Privacy Rights Act (CPRA), including the right to know, delete, and opt-out of the sale of your personal information.

11.3 United Kingdom (UK GDPR)

Users in the United Kingdom have rights under the UK General Data Protection Regulation (UK GDPR) and the Data Protection Act 2018.

11.4 Canada (PIPEDA)

Canadian users have rights under the Personal Information Protection and Electronic Documents Act (PIPEDA).

11.5 Australia (Privacy Act 1988)

Australian users have rights under the Australian Privacy Act 1988, including the right to access and correct personal information.

11.6 Other Regions

We comply with applicable privacy laws in all jurisdictions where we operate. Contact us for information specific to your region.

12. Cookies and Tracking Technologies

Our website uses cookies and similar tracking technologies. These technologies help us analyze usage patterns, remember your preferences, and deliver targeted advertisements. You can manage your cookie preferences through your browser settings.

13. Third-Party Links

Our website may contain links to third-party websites. We are not responsible for the privacy practices of these external sites. We encourage you to review their privacy policies.

14. App Store Compliance

Our mobile applications comply with the privacy requirements of major app distribution platforms:

  • Google Play: Compliant with Google Play's Privacy Policy requirements and data safety guidelines
  • Apple App Store: Compliant with Apple's App Store Review Guidelines and privacy requirements
  • Data Safety Forms: Accurate data safety information is provided on Google Play listing pages

15. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of any material changes by posting the new policy on this page and updating the "Last Updated" date. Your continued use of our services after such changes constitutes acceptance of the updated policy.

16. Contact Us

If you have questions about this Privacy Policy or wish to exercise your rights, please contact us:

Beijing Kesier Technology Development Co., Ltd.
Room 407-4255, Shilibao Town Government Office Building
No. 67 Xidaqiao Road, Miyun District
Beijing, 100000
China

Email: support@bjkesier.com

This Privacy Policy is effective as of December 2024 and will remain in effect except with respect to any changes in its provisions in the future.