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Privacy Policy

Last Updated: May 2026

Table of Contents

  • 1. Introduction
  • 2. Information We Collect
  • 3. How We Use Your Information
  • 4. Advertising and Analytics
  • 5. Data Protection and Security
  • 6. GDPR Compliance (EU/EEA Users)
  • 7. CCPA Compliance (California Residents)
  • 8. Age Restrictions and Children's Privacy
  • 9. Your Rights and Choices
  • 10. App Store Policies
  • 11. Contact Us

1. Introduction

Suzhou Lanjing Electronic Technology Co., Ltd ("we," "us," "our," or "Company") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and otherwise process your personal information when you use our website (szlanjingtech.com) and our mobile applications distributed through Google Play, Apple App Store, and other application marketplaces.

By using our services, websites, and applications, you acknowledge that you have read this Privacy Policy and agree to be bound by its terms. If you do not agree with any part of this policy, please do not use our services.

2. Information We Collect

2.1 Information You Provide Directly

  • Account Information: Name, email address, phone number, company name, job title, mailing address, and billing information when you create an account or subscribe to our services.
  • Communication Data: Messages, inquiries, feedback, or other communications you send to us through our website contact forms, email, or customer support channels.
  • Payment Information: Credit card numbers, banking information, and transaction history (processed through secure payment gateways).
  • Profile Data: Profile picture, preferences, and settings within our mobile applications.
  • Device Information: Information about your mobile device (device model, operating system version, unique device identifiers, IDFA, Android Advertising ID).

2.2 Information Collected Automatically

  • Usage Data: Pages visited, features used, time spent on pages, links clicked, and navigation patterns within our website and applications.
  • Location Data: Approximate location based on IP address. Precise geolocation data requires your explicit permission.
  • Log Data: IP address, browser type, operating system, referring URLs, and timestamps of your activities.
  • Cookies and Similar Technologies: We use cookies, web beacons, pixels, and similar tracking technologies to enhance user experience and analytics.
  • Application Performance: Crash logs, performance metrics, and diagnostic data from our mobile applications.

2.3 Information from Third Parties

  • Analytics Providers: Google Analytics, Firebase Analytics, and similar analytics services that collect usage data.
  • Advertising Partners: Google AdMob, Facebook Audience Network, Unity Ads, AppLovin, Chartboost, Vungle, and other advertising networks that provide ad performance data.
  • App Store Data: Apple App Store and Google Play provide anonymized app download and review information.
  • Social Media Platforms: If you connect via social login (Facebook, Google), we receive basic profile information.

3. How We Use Your Information

  • Service Delivery: Provide, maintain, and improve our products and services, including technical support and customer service.
  • Communication: Send transactional emails, respond to inquiries, provide updates, and notify you about policy changes.
  • Marketing: Develop marketing campaigns, promotional materials, and newsletters (with your consent where required).
  • Analytics and Research: Analyze usage patterns, conduct user research, and develop new features based on aggregated data.
  • Personalization: Customize your experience and provide personalized content recommendations.
  • Legal Compliance: Comply with applicable laws, regulations, and legal processes, including tax and audit requirements.
  • Fraud Prevention: Detect, prevent, and address fraud, unauthorized access, and security issues.
  • Advertising: Display targeted advertisements through our applications and partner networks.

4. Advertising and Analytics Platforms

4.1 AdMob and Google Advertising

Our applications integrate Google AdMob for displaying advertisements. AdMob collects and processes advertising data including:

  • Device identifiers (IDFA for iOS, Android Advertising ID)
  • Approximate location data
  • App usage information
  • Advertising interaction data

Google Privacy Policy: https://policies.google.com/privacy

Google Advertising Policies: https://policies.google.com/technologies/ads

4.2 Facebook Audience Network

Our applications may display ads through Facebook Audience Network. Facebook collects:

  • Device information and identifiers
  • Usage patterns and interactions
  • Location data (approximate)
  • Interest categories based on activity

Facebook Privacy Policy: https://www.facebook.com/privacy/explanation

4.3 Unity Ads

Unity Ads provides video advertising services and collects:

  • Device identifiers and information
  • Application performance data
  • Ad interaction data

Unity Privacy Policy: https://unity.com/legal/privacy-policy

4.4 AppLovin

AppLovin provides mobile advertising services and collects:

  • Device identifiers (IDFA, Android Advertising ID)
  • Usage and engagement metrics
  • Conversion tracking data

AppLovin Privacy Policy: https://www.applovin.com/privacy

4.5 Chartboost

Chartboost provides mobile app marketing and ad services. Data collected includes:

  • Device identifiers
  • Application usage data
  • Ad performance metrics

Chartboost Privacy Policy: https://www.chartboost.com/privacy-policy/

4.6 Vungle

Vungle provides video advertising services and collects:

  • Device information and identifiers
  • Video engagement metrics
  • Advertising performance data

Vungle Privacy Policy: https://vungle.com/privacy

4.7 Firebase Analytics

We use Google Firebase Analytics to understand user behavior:

  • App usage patterns and events
  • User engagement metrics
  • Crash reporting and performance data
  • Device and OS information

Firebase Privacy Policy: https://firebase.google.com/support/privacy

4.8 Types of Advertisements Displayed

Our applications display various advertisement formats:

  • Full-Screen Interstitial Ads: Full-screen advertisements that appear between content, typically at app launch or natural transition points.
  • Rewarded Video Ads: Optional video advertisements that users can watch to earn in-app rewards, points, or premium features.
  • Banner Ads: Small rectangular advertisements displayed at the top or bottom of app screens.
  • Native Ads: Advertisements designed to match the app's visual style and content layout.
  • Open Ads (App Launch Ads): Full-screen advertisements displayed immediately when the user launches the application.

4.9 Targeted Advertising

We use the following data for personalized advertising:

  • Demographic information (age range, gender, approximate location)
  • Usage behavior and app engagement
  • Interest categories based on device activity
  • Previous interactions with advertisements

You can opt-out of personalized advertising in your device settings by enabling "Limit Ad Tracking" (iOS) or "Opt out of Ads Personalization" (Android).

5. Data Protection and Security

We implement comprehensive security measures to protect your personal information:

  • Encryption: Data in transit is encrypted using SSL/TLS protocols. Sensitive data at rest is encrypted using industry-standard algorithms.
  • Access Controls: Access to personal information is restricted to authorized employees who need to access such data to fulfill their duties.
  • Secure Servers: Our servers are maintained in secure, access-controlled facilities with redundant security systems.
  • Regular Audits: We conduct regular security audits and vulnerability assessments to identify and remediate potential risks.
  • Data Retention: We retain personal information only for as long as necessary to fulfill the purposes outlined in this Policy or as required by law.
  • Incident Response: In the event of a data breach, we will notify affected individuals as required by applicable laws.

Note: While we implement strong security measures, no method of transmission over the Internet or electronic storage is completely secure. We cannot guarantee absolute security of your data.

6. GDPR Compliance (EU/EEA Users)

For users in the European Union and European Economic Area, the following GDPR provisions apply:

6.1 Legal Basis for Processing

  • Consent: Where you have explicitly consented to processing (e.g., marketing emails, cookies).
  • Contract Performance: Where necessary to fulfill our service agreements with you.
  • Legal Obligation: Where required by applicable EU laws and regulations.
  • Legitimate Interests: Where processing is necessary for our legitimate interests (e.g., fraud prevention, analytics) that do not override your rights.

6.2 Data Subject Rights

You have the following rights under the GDPR:

  • Right of Access: You can request a copy of the personal information we hold about you.
  • Right to Rectification: You can request correction of inaccurate or incomplete personal data.
  • Right to Erasure: You can request deletion of your personal data (the "right to be forgotten") subject to applicable exceptions.
  • Right to Restrict Processing: You can request limitation of how we process your data.
  • Right to Data Portability: You can request a copy of your data in a portable, machine-readable format.
  • Right to Object: You can object to processing of your data, particularly for marketing and profiling purposes.
  • Rights Related to Automated Decision-Making: You have rights concerning decisions based solely on automated processing.

6.3 International Data Transfers

We may transfer your personal information to countries outside the EU/EEA. Where such transfers occur, we implement appropriate safeguards including Standard Contractual Clauses and other mechanisms compliant with GDPR Article 46.

6.4 Data Protection Officer

For questions about our GDPR compliance, you may contact our designated representative at support@szlanjingtech.com.

6.5 Supervisory Authority

If you are unsatisfied with our response to your privacy rights requests, you have the right to lodge a complaint with your local data protection authority.

7. CCPA Compliance (California Residents)

For California residents, the California Consumer Privacy Act (CCPA) provides the following rights:

7.1 Right to Know

You have the right to request what personal information we have collected, the categories of sources, our business purposes for collection, and the categories of third parties with whom we share data.

7.2 Right to Delete

You can request deletion of personal information collected from you, subject to certain exceptions (e.g., information needed to complete a transaction, comply with legal obligations).

7.3 Right to Opt-Out

You have the right to opt out of the sale or sharing of your personal information for targeted advertising purposes. To opt out, click "Do Not Sell or Share My Personal Information" on our website or contact us directly.

7.4 Right to Correct

You can request correction of inaccurate personal information we maintain about you.

7.5 Right to Limit

You have the right to limit our use and disclosure of sensitive personal information.

7.6 Non-Discrimination

We will not discriminate against you for exercising your CCPA rights. We will not deny goods or services, charge different prices, or provide different quality of service based on your privacy choices.

7.7 Submitting Requests

To submit a CCPA request, please email privacy@szlanjingtech.com with "CCPA REQUEST" in the subject line, along with your name, email address, and detailed request information.

8. Age Restrictions and Children's Privacy

8.1 Minimum Age Requirement

Our services are not intended for children under the age of 13 (or the applicable age of digital consent in your jurisdiction). We do not knowingly collect personal information from children under 13 without parental consent.

8.2 Parental Consent (Ages 13-18)

For users between 13 and 18 years of age:

  • Parental/guardian consent may be required depending on your jurisdiction.
  • We limit data collection for this age group to what is necessary for service provision.
  • We do not use data from this age group for targeted advertising without appropriate consent.
  • Advertising displayed in our apps uses non-personalized ads for users under 18 where required by law.

8.3 COPPA Compliance (US)

For children under 13 in the United States, we comply with the Children's Online Privacy Protection Act (COPPA):

  • We obtain verifiable parental consent before collecting personal information.
  • We limit data collection to only what is reasonably necessary for service provision.
  • Parents have the right to review, request deletion, and prevent further use of their child's information.
  • We do not use cookies or tracking technologies on children's accounts except for session management.
  • We do not display targeted advertising in children's applications.

8.4 How to Report Child Privacy Concerns

If you believe we have unknowingly collected information from a child under 13, please contact us immediately at privacy@szlanjingtech.com. We will take appropriate action to delete such information and may cooperate with law enforcement.

8.5 App Store Age Ratings

Our applications carry the following age restrictions on major app stores:

  • Google Play: Content rating appropriate for each application (determined by content questionnaire)
  • Apple App Store: Age rating (4+, 12+, 17+, or Unrated depending on application content)

9. Your Rights and Choices

9.1 Cookie Preferences

You can manage cookies through your browser settings. Most browsers allow you to refuse cookies or alert you when cookies are being sent. Note that disabling cookies may impact functionality of our services.

9.2 Email Communications

You can opt out of promotional emails by clicking the "Unsubscribe" link in any marketing email or by contacting us directly. Please note that we may still send transactional emails related to your account and services.

9.3 Push Notifications

You can disable push notifications through your device settings or within our application settings.

9.4 Location Data

You can control precise location data collection through your device permissions. To disable location access, go to your device settings and modify app permissions for our applications.

9.5 Advertising Choices

To opt out of personalized advertising:

  • iOS: Settings → Privacy → Apple Advertising → Toggle off "Personalized Ads"
  • Android: Settings → Google → Manage your Google Account → Data & Privacy → Ad Personalization Settings

9.6 Do Not Track Signals

Some browsers include a "Do Not Track" feature. Currently, there is no industry standard for recognizing DNT signals, and our services do not currently respond to DNT browser signals.

10. App Store Policies and Additional Compliance

10.1 Google Play Store Requirements

Our applications on Google Play comply with:

  • Play Store Privacy Policies: All personal data collection practices must be clearly disclosed
  • Sensitive Permissions: Apps requesting sensitive permissions (location, contacts, camera) must provide clear justification
  • Advertising Standards: All ad networks used must comply with Google's policies on user-targeted advertising
  • Data Security: All data transmission must use encryption; APIs must use HTTPS
  • Family Requirements: Apps labeled "Family" have stricter requirements and cannot display non-child-directed advertising

Google Play Privacy Policy Reference: https://play.google.com/about/privacy-security/

10.2 Apple App Store (iOS) Requirements

Our iOS applications comply with:

  • App Privacy Labels: Clear disclosure of all data types collected and their uses
  • App Tracking Transparency (ATT): Request user permission before tracking across apps and websites (IDFA)
  • COPPA Compliance: Apps marketed to children comply with stricter requirements
  • Data Security: Encryption requirements for data in transit and at rest
  • Privacy Policy Requirements: Detailed privacy policy must be available and link to from app listing

App Store Privacy Information: https://www.apple.com/privacy/privacy-labels/

10.3 Other Regional Compliance

United Kingdom (UK GDPR)

For UK users, we comply with the UK General Data Protection Regulation (UK GDPR) which mirrors GDPR requirements with UK-specific provisions.

Canada (PIPEDA)

For Canadian users, we comply with the Personal Information Protection and Electronic Documents Act (PIPEDA):

  • We only collect information with knowledge and consent
  • We use information only for stated purposes
  • We provide access to your personal information upon request
  • We safeguard personal information with appropriate security measures

Australia (Privacy Act)

For Australian users, we comply with the Privacy Act 1988 (Cth) and Australian Privacy Principles (APPs).

Japan (APPI)

For Japanese users, we comply with the Act on the Protection of Personal Information (APPI).

Brazil (LGPD)

For Brazilian users, we comply with Brazil's General Data Protection Law (Lei Geral de Proteção de Dados - LGPD).

11. Contact Us

If you have questions about this Privacy Policy, your personal data, or our privacy practices, please contact us:

Suzhou Lanjing Electronic Technology Co., Ltd
Room A116, 1st Floor, Building 3
No. 410 Mudong Road
Mudu Town, Wuzhong District
Suzhou, 215000
China

Support Email: support@szlanjingtech.com

We will respond to verified requests within thirty (30) calendar days, or as required by applicable law.

Policy Updates

We may update this Privacy Policy from time to time to reflect changes in our practices, technology, applicable laws, and other factors. We will notify you of material changes by posting the new policy on our website and updating the "Last Updated" date. Your continued use of our services following notification of such changes constitutes your acceptance of the updated Privacy Policy.

Company Information

Suzhou Lanjing Electronic Technology Co., Ltd

Room A116, 1st Floor, Building 3
No. 410 Mudong Road
Mudu Town, Wuzhong District
Suzhou, 215000
China

Contact

Business Support:
support@szlanjingtech.com

Enterprise Sales:
wangyinyin@szlanjingtech.com

Website:
szlanjingtech.com

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