Xinyu Logo XINYU
Home Services Culture News Contact
Home / Privacy Policy

Privacy Policy

Last Updated: January 15, 2026

Table of Contents

  • 1. Information We Collect
  • 2. How We Use Your Information
  • 3. Information Sharing and Disclosure
  • 4. Data Security
  • 5. GDPR Compliance (European Union)
  • 6. CCPA Compliance (California)
  • 7. COPPA Compliance (Children's Privacy)
  • 8. Age Restrictions
  • 9. Mobile Applications
  • 10. Advertising and Third-Party Ad Networks
  • 11. Google AdMob Integration
  • 12. Meta/Facebook Audience Network
  • 13. Unity Ads
  • 14. AppLovin
  • 15. ironSource
  • 16. Vungle
  • 17. Chartboost
  • 18. MoPub
  • 19. InMobi
  • 20. Pangle
  • 21. International Data Transfers
  • 22. Data Retention
  • 23. Your Rights
  • 24. Changes to This Policy
  • 25. Contact Us

1. Information We Collect

Beijing Xinyu Engineering Management Consulting Co., Ltd. ("Xinyu," "we," "us," or "our") collects information to provide and improve our services. This includes:

1.1 Information You Provide Directly

  • Account Information: Name, email address, phone number, company name, job title, postal address, and profile information when you create an account or subscribe to our services.
  • Payment Information: Credit card numbers, bank account details, and billing addresses for payment processing.
  • Communication Data: Messages, inquiries, feedback, and other communications you send to us.
  • Project Information: Engineering project details, specifications, documents, and related data you submit through our services or mobile applications.
  • User-Generated Content: Any content you create, upload, or share through our platforms, including photos, reviews, and comments.

1.2 Information Collected Automatically

  • Device Information: Device type, operating system, unique device identifiers, browser type, and version.
  • Usage Data: Pages visited, features used, time spent on pages, click patterns, and other usage statistics.
  • Location Data: General geographic location based on IP address, and with your consent, precise GPS location.
  • Log Data: Server logs, crash reports, and performance data.

2. How We Use Your Information

We use the information we collect for the following purposes:

  • To provide, maintain, and improve our engineering consulting services
  • To develop and deliver our mobile applications
  • To process transactions and send related information
  • To send technical notices, updates, security alerts, and support messages
  • To respond to your comments, questions, and customer service requests
  • To monitor and analyze trends, usage, and activities in connection with our services
  • To detect, investigate, and prevent fraudulent transactions and other illegal activities
  • To personalize and improve our services and deliver content relevant to your interests
  • To provide advertising and measure the effectiveness of advertising campaigns
  • To comply with legal obligations and enforce our terms and policies

3. Information Sharing and Disclosure

We may share your information in the following circumstances:

  • Service Providers: We share information with third-party vendors, service providers, and contractors who perform services for us, including payment processing, data analysis, email delivery, hosting services, and customer support.
  • Business Transfers: If we are involved in a merger, acquisition, asset sale, or bankruptcy, your information may be transferred as part of that transaction.
  • Legal Requirements: We may disclose information if required by law, court order, or government request, or if we believe disclosure is necessary to protect our rights, your safety, or the safety of others.
  • With Your Consent: We may share your information with third parties when you explicitly consent to such sharing.
  • Aggregate Data: We may share anonymized, aggregated data that cannot reasonably identify you with third parties for research, marketing, analytics, or other purposes.

4. Data Security

We implement appropriate technical and organizational measures to protect your personal information against unauthorized access, alteration, disclosure, or destruction. These measures include:

  • Encryption of data in transit using TLS/SSL
  • Encryption of sensitive data at rest
  • Regular security assessments and penetration testing
  • Access controls and authentication measures
  • Employee training on data protection and security
  • Incident response procedures and breach notification protocols

While we strive to protect your information, no method of transmission over the Internet or electronic storage is 100% secure. We cannot guarantee absolute security.

5. GDPR Compliance (European Union)

If you are located in the European Economic Area (EEA), we process your personal data in accordance with the General Data Protection Regulation (GDPR). This section explains our practices:

5.1 Legal Basis for Processing

We process your personal data based on one or more of the following legal grounds:

  • Contractual Necessity: Processing necessary to perform our contract with you or to take steps at your request before entering into a contract.
  • Legitimate Interests: Processing necessary for our legitimate interests or the legitimate interests of third parties, provided such interests are not overridden by your rights.
  • Consent: Processing based on your explicit consent, which you may withdraw at any time.
  • Legal Obligation: Processing necessary to comply with our legal obligations.

5.2 Data Subject Rights under GDPR

If you are an EEA resident, you have the following rights:

  • Right of Access: Obtain confirmation of whether we process your personal data and access your data.
  • Right to Rectification: Request correction of inaccurate personal data.
  • Right to Erasure: Request deletion of your personal data under certain circumstances.
  • Right to Restrict Processing: Request restriction of processing under certain circumstances.
  • Right to Data Portability: Receive your data in a structured, commonly used, machine-readable format.
  • Right to Object: Object to processing based on legitimate interests or for direct marketing.
  • Right to Withdraw Consent: Withdraw consent at any time where processing is based on consent.
  • Right to Lodge Complaint: Lodge a complaint with a supervisory authority, particularly in your country of residence.

5.3 EU Representative

We have appointed an EU representative to act as our point of contact for GDPR matters. You can contact our EU representative at: eu.representative@xinyutechai.com

6. CCPA Compliance (California)

If you are a California resident, the California Consumer Privacy Act (CCPA) provides you with specific rights regarding your personal information. This section explains our CCPA compliance:

6.1 Categories of Personal Information Collected

In the preceding 12 months, we have collected the following categories of personal information:

  • Identifiers: Name, email address, phone number, postal address, IP address, device identifiers.
  • Commercial Information: Records of services purchased, payment history, transaction information.
  • Internet/Network Information: Browsing history, search history, usage data, cookie data.
  • Geolocation Data: General geographic location and, with consent, precise GPS location.
  • Professional/Employment Information: Company name, job title, employer information.
  • Inferenced Data: Preferences, characteristics, behaviors, attitudes.

6.2 California Consumer Rights

As a California resident, you have the right to:

  • Know: Request disclosure of the categories and specific pieces of personal information collected, the purpose of collection, and whether it was sold or disclosed.
  • Delete: Request deletion of your personal information, subject to certain exceptions.
  • Opt-Out: Opt-out of the sale of your personal information. Note: We do not sell personal information for monetary consideration.
  • Non-Discrimination: Not be discriminated against for exercising your CCPA rights.

6.3 California "Shine the Light" Law

California's "Shine the Light" law (Civil Code Section 1798.83) permits California residents to request information about our disclosure of personal information to third parties for direct marketing purposes. To make such a request, please contact us at privacy@xinyutechai.com.

6.4 California Privacy Rights Act (CPRA)

We comply with the California Privacy Rights Act (CPRA), which provides additional rights including the right to correct inaccurate personal information, limit the use of sensitive personal information, and opt-out of automated decision-making.

7. COPPA Compliance (Children's Privacy)

We are committed to complying with the Children's Online Privacy Protection Act (COPPA) and similar international children's privacy laws. Our practices include:

7.1 Age Restriction

Our services and mobile applications are not intended for children under 13 years of age (or 16 for EEA residents). We do not knowingly collect personal information from children under these ages.

7.2 Parental Consent

If we become aware that we have collected personal information from a child under 13 without verified parental consent, we will take steps to delete that information as soon as possible. Parents or guardians who believe their child's information has been collected can contact us at privacy@xinyutechai.com.

7.3 Parental Rights

Parents have the right to:

  • Review their child's personal information
  • Request deletion of their child's personal information
  • Refuse further collection or use of their child's information
  • Consent to collection without consenting to third-party disclosure

8. Age Restrictions

Our services are subject to various age restrictions depending on jurisdiction:

  • United States (COPPA): Services not intended for children under 13 years of age.
  • European Union (GDPR): Services not intended for children under 16 years of age (or lower age as defined by member states, minimum 13).
  • United Kingdom (UK GDPR): Services not intended for children under 13 years of age.
  • Canada (PIPEDA): Services not intended for children under 13 years of age without parental consent.
  • Australia (Privacy Act): Services not intended for children under 16 years of age without parental consent.
  • Other Jurisdictions: Age restrictions may vary by country. Users must meet the minimum age requirement of their jurisdiction.

If you are under the minimum age, you may only use our services with verifiable parental or guardian consent. We reserve the right to verify age and request parental consent at any time.

9. Mobile Applications

Our mobile applications for iOS and Android platforms collect additional information:

9.1 App-Specific Permissions

Our apps may request the following permissions:

  • Camera: To capture photos and documents for project documentation
  • Photo Library: To select existing photos for project materials
  • Location: To provide location-based services and track project site visits
  • Notifications: To send push notifications about project updates and alerts
  • Contacts: To facilitate collaboration with team members (optional)
  • Calendar: To sync project milestones with your calendar

9.2 Mobile App Features

Our mobile applications provide the following features:

  • Engineering Consulting App: Expert consultation access, document sharing, real-time chat, project tracking
  • Project Management App: Task management, Gantt charts, team collaboration, milestone tracking, automated reports
  • Cost Consulting App: Real-time cost tracking, budget management, expense recording, financial analytics
  • Bidding Agency App: Tender management, bid submission, status tracking, notifications
  • Technical Consulting App: Technical documentation, engineering standards, expert connections
  • Business Management App: Event planning, calendar management, contact management, analytics
  • Material Procurement App: Product catalog, price comparison, order management, delivery tracking

9.3 App Store Compliance

Our apps comply with the following app store requirements:

  • Apple App Store: We comply with Apple's App Store Review Guidelines, including data collection disclosures, privacy nutrition labels, and ATT (App Tracking Transparency) framework requirements.
  • Google Play Store: We comply with Google Play's Developer Program Policies, including data safety form requirements and Play Store listing disclosures.

10. Advertising and Third-Party Ad Networks

Our mobile applications may include advertising from third-party ad networks. This section details our advertising practices and the ad networks we integrate with.

10.1 Types of Advertising We Use

  • Splash Ads (Splash Screen Ads): Full-screen advertisements displayed when the app is launching, typically lasting 3-5 seconds with a close button
  • Rewarded Video Ads: Video advertisements that users voluntarily watch in exchange for in-app rewards such as premium features, virtual currency, or content unlocks
  • Interstitial Ads: Full-screen advertisements displayed at natural transition points in the app, such as between levels or after completing a task
  • Banner Ads: Rectangular advertisements displayed at the top or bottom of the screen, typically remaining visible while users navigate through the app
  • Native Ads: Advertisements designed to match the visual style and format of the app's content
  • Playable Ads: Interactive advertisements that allow users to preview app features or games before downloading

10.2 Third-Party Ad Networks

We use multiple third-party advertising networks to maximize ad revenue and provide relevant advertisements. Each ad network has its own privacy policy and data collection practices.

10.3 Ad Network Data Collection

Third-party ad networks may collect the following information:

  • Device identifiers ( IDFA, GAID)
  • Device information (type, OS version, screen size)
  • Location data (with consent)
  • Usage data and app interaction patterns
  • Cookie data and similar tracking technologies
  • IP address and network information
  • In-app purchases and ad viewing history

10.4 Opting Out of Personalized Advertising

You may opt out of personalized advertising through your device settings:

  • iOS: Settings > Privacy > Apple Advertising > Turn off Personalized Ads
  • Android: Settings > Google > Ads > Turn off Ad Personalization

Additionally, many ad networks offer opt-out options through industry initiatives like the Digital Advertising Alliance (DAA) and Network Advertising Initiative (NAI).

11. Google AdMob Integration

Our mobile applications integrate with Google AdMob, Google's mobile advertising platform. This section details our AdMob implementation:

11.1 What is AdMob?

Google AdMob is a mobile advertising platform that enables app publishers to monetize their applications through in-app advertising. AdMob uses Google's advertising technologies to serve ads from Google advertisers and third-party networks.

11.2 AdMob Data Collection

When you use our apps that integrate AdMob, Google may collect:

  • Device identifiers ( IDFA, Android ID)
  • Device information and settings
  • Apps installed and usage patterns
  • Location data (with user consent)
  • IP address and network information
  • Ad interaction data and viewing history
  • In-app purchase events

11.3 AdMob Ad Formats

We implement the following AdMob ad formats:

  • Admob Splash Ads: Full-screen ads displayed during app launch
  • Rewarded Ads: User-initiated video ads with in-app rewards
  • Interstitial Ads: Full-screen ads at natural break points
  • Banner Ads: Standard banner advertisements
  • Native Ads: Customizable ads matching app design

11.4 Google AdMob Privacy Policy

Google's privacy practices are governed by the Google Privacy Policy. We encourage you to review Google's Privacy Policy at: https://policies.google.com/privacy

11.5 AdMob User Metrics and Analytics

AdMob provides us with analytics data about app usage and ad performance. This helps us improve our apps and optimize advertising revenue.

11.6 AdMob Compliance

We comply with Google's AdMob policies including:

  • Accurate disclosure of data collection in app store listings
  • Implementation of appropriate ad loading and frequency capping
  • Proper handling of ad content and user experience
  • Compliance with restricted content policies

11.7 Managing AdMob Data

You can manage how Google uses your information for advertising by visiting:

  • Google Ads Settings: https://adssettings.google.com
  • Your Google Account: https://myaccount.google.com/data-and-privacy

12. Meta/Facebook Audience Network

Our mobile applications may integrate with Meta's Audience Network for advertising purposes.

12.1 Data Collection by Meta

When you use our apps that integrate Meta Audience Network, Meta may collect:

  • Device identifiers and advertising IDs
  • Device characteristics and settings
  • Apps installed and usage information
  • User activities within apps
  • Location information (with consent)
  • Information about your interactions with ads
  • IP address and connection information

12.2 Meta Audience Network Ad Formats

  • Facebook Splash Ads: Launch screen advertisements
  • Rewarded Videos: Voluntary video ad viewing for rewards
  • Interstitial Ads: Full-screen advertisements
  • Banner Ads: Standard display advertisements
  • Native Ads: Ads integrated into app content

12.3 Meta Privacy Controls

Meta offers various privacy controls:

  • Facebook Ad Preferences: https://www.facebook.com/adpreferences
  • Off-Facebook Activity: https://www.facebook.com/off-facebook-activity
  • Your Facebook Information: https://www.facebook.com/help/1701730696752390

12.4 Meta Data Policy

For more information about Meta's data practices, please review the Meta Data Policy: https://www.facebook.com/privacy/policy

13. Unity Ads

Our mobile applications may integrate with Unity Ads for advertising and monetization.

13.1 Unity Ads Overview

Unity Ads is a monetization platform provided by Unity Technologies that enables advertisers to reach players in Unity-powered games and apps.

13.2 Data Collected by Unity Ads

Unity Ads may collect:

  • Device identifiers ( IDFA, GAID)
  • Device information (model, OS version, screen resolution)
  • IP address and network type
  • App usage and session data
  • Ad interaction and viewing data
  • Location data (with consent)
  • Unity-specific identifiers

13.3 Unity Ads Formats

  • Unity Splash Ads: Launch screen ads
  • Rewarded Video Ads: Incentive-based video advertisements
  • Interstitial Ads: Full-screen video or display ads
  • Banner Ads: Standard banner advertisements
  • Playable Ads: Interactive demo advertisements

13.4 Unity Privacy and Opt-Out

For Unity's privacy policy and opt-out options, visit: https://unity.com/legal/privacy-policy

You can opt out of Unity's targeted advertising at: https://unity.com/legal/privacy-choices

14. AppLovin

Our mobile applications may integrate with AppLovin for advertising and user acquisition.

14.1 About AppLovin

AppLovin is a mobile advertising platform that connects app publishers with advertisers through programmatic advertising technology.

14.2 Data Collected by AppLovin

AppLovin may collect:

  • Device identifiers and advertising IDs
  • Device characteristics and specifications
  • Operating system and app version
  • Network connection information
  • App usage and engagement data
  • Ad viewing and interaction data
  • Location information (with consent)
  • Impression and conversion data

14.3 AppLovin Ad Formats

  • AppLovin Splash Ads: Launch advertisements
  • Rewarded Ads: Reward-based video advertisements
  • Interstitial Ads: Full-screen advertisements
  • Banner Ads: Standard display ads
  • Native Ads: Content-matched advertisements
  • Capsule Ads: Interactive ad units

14.4 AppLovin Privacy Options

AppLovin provides privacy controls and opt-out mechanisms. For more information: https://www.applovin.com/privacy

To opt out of AppLovin advertising: https://www.applovin.com/optout

15. ironSource

Our mobile applications may integrate with ironSource for advertising and app monetization.

15.1 ironSource Overview

ironSource is a mobile app growth and monetization platform that helps app publishers maximize their revenue through various ad formats and user acquisition services.

15.2 Data Collected by ironSource

ironSource may collect:

  • Device identifiers ( IDFA, GAID, Android ID)
  • Device type, model, and manufacturer
  • Operating system and version
  • Screen resolution and display information
  • Network type and carrier information
  • App usage and session data
  • Ad impression and click data
  • Conversion and install data
  • Location data (with consent)

15.3 ironSource Ad Formats

  • ironSource Splash Ads: Launch screen ads
  • Rewarded Videos: Incentive-based video ads
  • Interstitial Ads: Full-screen video and display ads
  • Banner Ads: Standard banner advertisements
  • Native Ads: Integrated content advertisements
  • Playable Ads: Interactive demo ads
  • Offerwall Ads: Reward-based offer walls

15.4 ironSource Privacy

For ironSource's privacy policy and data practices: https://developers.ironsrc.com/ironsource-mobile/general/privacy-policy

To manage your ironSource data choices: https://www.ironsrc.com/privacy-policy/opt-out-postbacks

16. Vungle

Our mobile applications may integrate with Vungle for advertising and monetization.

16.1 Vungle Overview

Vungle, now part of Traeger's Digital Entertainment division, is a leading mobile video advertising platform known for high-quality video ad experiences.

16.2 Data Collected by Vungle

Vungle may collect:

  • Device identifiers and advertising IDs
  • Device specifications and capabilities
  • Operating system and version
  • Device performance and specifications
  • App installation and usage data
  • Video ad viewing and completion data
  • Interaction with advertised content
  • Location information (with consent)
  • IP address and network information

16.3 Vungle Ad Formats

  • Vungle Splash Ads: Launch advertisements
  • Rewarded Video Ads: User-initiated video ads for rewards
  • Interstitial Ads: Full-screen video advertisements
  • Banner Ads: Standard display advertisements
  • End Card Ads: Post-video recommendation cards

16.4 Vungle Privacy

For Vungle's privacy policy: https://vungle.com/privacy

For Vungle's opt-out information: https://vungle.com/privacy/opt-out

17. Chartboost

Our mobile applications may integrate with Chartboost for advertising and monetization.

17.1 Chartboost Overview

Chartboost is a mobile game advertising and monetization platform that focuses on in-app bidding and programmatic advertising solutions.

17.2 Data Collected by Chartboost

Chartboost may collect:

  • Device identifiers and advertising IDs
  • Device type, model, and specifications
  • Operating system and version
  • App and game session data
  • Ad impression and click data
  • Video view-through and completion rates
  • Conversion tracking data
  • Location data (with consent)
  • IP address and connection information

17.3 Chartboost Ad Formats

  • Chartboost Splash Ads: Launch advertisements
  • Rewarded Video Ads: Incentive-based video ads
  • Interstitial Ads: Full-screen advertisements
  • More Apps Ads: App promotion walls
  • Playable Ads: Interactive demonstrations

17.4 Chartboost Privacy

For Chartboost's privacy policy: https://www.chartboost.com/privacy

For Chartboost's opt-out options: https://www.chartboost.com/privacy/#opted-out

18. MoPub

Our mobile applications may integrate with MoPub, now part of AppLovin, for advertising mediation and monetization.

18.1 MoPub Overview

MoPub was a monetization platform that provided ad mediation services, helping publishers manage multiple ad networks through a single SDK. It has been integrated into AppLovin's technology.

18.2 Data Collected by MoPub/AppLovin

MoPub/AppLovin may collect:

  • Device identifiers and advertising IDs
  • Device characteristics and specifications
  • Operating system and app information
  • App usage and engagement metrics
  • Ad impression and interaction data
  • Location information (with consent)
  • Network and connection data
  • Publisher-provided user identifiers

18.3 MoPub Ad Formats

  • Splash Ads: Launch advertisements
  • Rewarded Video Ads: Incentive-based video ads
  • Interstitial Ads: Full-screen advertisements
  • Banner Ads: Standard display ads
  • Native Ads: Custom-format advertisements

18.4 MoPub Privacy

For MoPub/AppLovin's privacy policy: https://www.applovin.com/privacy

For MoPub's legacy opt-out options: https://www.mopub.com/legal/privacy

19. InMobi

Our mobile applications may integrate with InMobi for advertising and monetization.

19.1 InMobi Overview

InMobi is a global mobile advertising and data platform that helps brands, publishers, and app developers engage users through relevant mobile advertising.

19.2 Data Collected by InMobi

InMobi may collect:

  • Device identifiers ( IDFA, GAID, device fingerprint)
  • Device type, model, and manufacturer
  • Operating system and version
  • Screen size and display information
  • Network type and carrier information
  • App usage and behavioral data
  • Ad interaction and conversion data
  • Location data (precise and approximate)
  • IP address and connection metadata
  • Demographic information (with consent)

19.3 InMobi Ad Formats

  • InMobi Splash Ads: Launch screen advertisements
  • Rewarded Video Ads: User-initiated video ads with rewards
  • Interstitial Ads: Full-screen video and display ads
  • Banner Ads: Standard display advertisements
  • Native Ads: Contextually relevant advertisements
  • Rich Media Ads: Interactive advertising units

19.4 InMobi Privacy Controls

For InMobi's privacy policy: https://www.inmobi.com/privacy-policy

To opt out of InMobi targeted advertising: https://www.inmobi.com/page/opt-out

20. Pangle

Our mobile applications may integrate with Pangle for advertising and monetization.

20.1 Pangle Overview

Pangle is a global video advertising platform, formerly known as TikTok for Business Ads SDK, that provides programmatic video advertising solutions for app publishers.

20.2 Data Collected by Pangle

Pangle may collect:

  • Device identifiers and advertising IDs
  • Device information and specifications
  • Operating system and version
  • App information and usage patterns
  • Ad impression and interaction data
  • Video viewing behavior and completion rates
  • Location information (with consent)
  • IP address and network information
  • User engagement metrics

20.3 Pangle Ad Formats

  • Pangle Splash Ads: Launch advertisements
  • Rewarded Video Ads: Incentive-based video advertisements
  • Interstitial Ads: Full-screen video ads
  • Banner Ads: Standard display advertisements
  • Native Ads: Integrated content advertisements
  • Playable Ads: Interactive demo advertisements

20.4 Pangle Privacy

For Pangle's privacy policy: https://www.pangleglobal.com/privacy

For TikTok/Pangle data access and deletion: https://www.tiktok.com/legal/report/privacy

21. International Data Transfers

Your information may be transferred to and processed in countries other than your country of residence. When we transfer personal data internationally, we ensure appropriate safeguards are in place:

  • Standard Contractual Clauses: We use EU-approved standard contractual clauses for transfers from the EEA.
  • adequacy Decisions: We rely on adequacy decisions where the European Commission has determined a country provides adequate protection.
  • Binding Corporate Rules: We may use approved binding corporate rules for intra-group transfers.
  • Consent: In some cases, we may obtain your explicit consent for international transfers.

Countries where we process data include the United States, China, Singapore, and other countries where our service providers operate.

22. Data Retention

We retain your personal information for as long as necessary to fulfill the purposes outlined in this policy, unless a longer retention period is required by law. The criteria used to determine our retention periods include:

  • The length of time we have an ongoing relationship with you
  • Whether there is a legal obligation to retain the data
  • Whether retention is advisable in light of our legal position
  • Applicable industry standards and practices

When personal data is no longer needed, we securely delete or anonymize it. If complete deletion is not immediately possible, we will securely store the data until deletion becomes possible.

23. Your Rights

Depending on your location, you may have various rights regarding your personal information. We are committed to honoring these rights:

23.1 Global Rights

  • Access: Request a copy of the personal information we hold about you
  • Correction: Request correction of inaccurate or incomplete information
  • Deletion: Request deletion of your personal information
  • Portability: Receive your data in a portable format
  • Objection: Object to certain processing activities
  • Restriction: Request restriction of processing under certain circumstances

23.2 How to Exercise Your Rights

To exercise any of these rights, please contact us at:

  • Email: privacy@xinyutechai.com
  • Mail: Privacy Team, Room 415-4594, Town Government Office Building, No. 143 Yong'an Street, Taishitun Town, Miyun District, Beijing, 100000, China

We will respond to your request within the timeframe required by applicable law (typically 30 days for GDPR requests).

24. Changes to This Policy

We may update this Privacy Policy from time to time to reflect changes in our practices, technology, or legal requirements. We will notify you of any material changes by:

  • Posting the updated policy on our website and apps
  • Updating the "Last Updated" date at the top of this policy
  • Sending an email notification for significant changes
  • Providing in-app notices for mobile application changes

We encourage you to review this policy periodically. Your continued use of our services after changes become effective constitutes acceptance of the updated policy.

25. Contact Us

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

Beijing Xinyu Engineering Management Consulting Co., Ltd.

Room 415-4594, Town Government Office Building
No. 143 Yong'an Street, Taishitun Town
Miyun District, Beijing, 100000
China

Email:
Privacy Inquiries: privacy@xinyutechai.com
General Support: support@xinyutechai.com
Enterprise Clients: xinxiaohan@xinyutechai.com

We are committed to resolving any concerns about your privacy. If you are not satisfied with our response, you may have the right to lodge a complaint with your local data protection authority.

XINYU

Your trusted partner for professional engineering consulting and innovative mobile solutions.

Quick Links

Home Services Culture News Contact

Legal

Privacy Policy Terms of Service

Contact

support@xinyutechai.com

© 2026 Beijing Xinyu Engineering Management Consulting Co., Ltd. All rights reserved.

Privacy Policy Terms of Service