Privacy Policy | Beijing Rongwen Zhifeng Construction

1. Company Information

This Privacy Policy applies to all products and services operated by Beijing Rongwen Zhifeng Construction Co., Ltd. ("Rongwen Zhifeng Construction", "we", "our", "us"), including the website at rwzf-bj.com and our mobile applications made available via Google Play and Apple App Store.

Registered office and contact address: Room 601-5165, No. 99 Yanmi Road, Xitiangezhuang Town, Miyun District (Cluster Registration), Beijing.

2. Data We Collect

Depending on your interaction with our services, we may collect:

Identity and contact data: name, company name, email address, phone number, and communication content you submit via forms or customer support channels.
Account and service data: account identifiers, service preferences, project requirements, and transaction or subscription metadata where applicable.
Technical and device data: device model, operating system version, language settings, screen size, mobile carrier, device identifiers (where legally permitted), IP address, app version, and SDK integration metadata.
Usage and analytics data: page views, in-app event logs, feature engagement, session duration, crash reports, and diagnostic logs.
Approximate location data: coarse geolocation derived from IP address or device settings when needed for compliance, fraud prevention, or localization.
Advertising and attribution data: ad impressions, ad clicks, conversion events, anti-fraud signals, and limited identifiers used by ad platforms and mediation providers.
Support and communication data: records of email correspondence and helpdesk requests.

3. How We Use Data

We process data to:

Provide, maintain, and improve property management and digital services.
Respond to customer inquiries, enterprise proposals, and support requests.
Operate and optimize website and mobile app performance.
Measure campaign effectiveness and product usability.
Serve advertisements in supported mobile products and evaluate ad quality.
Detect abuse, enforce terms, and prevent fraud or security incidents.
Comply with legal obligations and industry policy requirements.

Where required by law, we rely on lawful bases such as consent, contractual necessity, legitimate interests, and legal compliance obligations.

4. Advertising & Ad Platform Disclosure

Some of our mobile applications may include advertising SDKs and mediation layers. These providers may process limited data to serve, personalize, and measure advertising, subject to your settings, consent choices, and applicable law.

4.2 Ad Formats Used

Splash / App Open / Interstitial Ads: full-screen ad units shown at transition points.
Rewarded Video Ads: optional video units where users may receive in-app rewards.
Banner Ads: persistent rectangular ad placements in app views.
Native Ads: ads styled to match app interfaces while clearly labeled as advertisements.

4.3 Ad Personalization and Consent

Where required, we request consent before enabling personalized advertising. You may change choices using in-app privacy settings, device privacy controls, or platform-level controls (for example, Android advertising settings and Apple AppTrackingTransparency prompts).

For app inventory disclosures, app-ads.txt declarations may be published by us and updated periodically.

5. App Store Specific Policies

5.1 Google Play

We comply with Google Play Developer Program Policies and the Developer Distribution Agreement.
Where applicable, we implement required disclosures for data collection, sharing, and security via Google Play Data safety declarations.
For child-directed or mixed-audience contexts, we apply Google Play Families Policy requirements where relevant.

5.2 Apple App Store

We align with Apple App Store Review Guidelines and privacy labeling requirements.
For tracking-related data access on iOS, we use Apple's AppTrackingTransparency framework where required.
We maintain privacy nutrition label disclosures for mobile applications distributed on Apple platforms.

6. Country-Specific Policies

Depending on your location, additional rights and protections may apply:

European Union / European Economic Area: General Data Protection Regulation (GDPR).
United Kingdom: UK GDPR and Data Protection Act requirements.
California, United States: California Consumer Privacy Act (CCPA), as amended by California Privacy Rights Act (CPRA).
United States (children): Children's Online Privacy Protection Act (COPPA).
Canada: Personal Information Protection and Electronic Documents Act (PIPEDA).
Australia: Privacy Act and Australian Privacy Principles (APPs).
Thailand and Singapore: Personal Data Protection Act (PDPA) frameworks.
Brazil: Lei Geral de Protecao de Dados (LGPD).
South Africa: Protection of Personal Information Act (POPIA).

Where transfer mechanisms are required for cross-border data movement, we implement legally recognized safeguards as appropriate.

7. Children's Privacy & Age Restrictions

Our services are intended for professional and general audiences and are not directed to children under 13 years of age. We do not knowingly collect personal information from children under 13 without verifiable parental consent.

If you believe a child has provided data to us without proper authorization, contact us immediately. We will investigate and delete such information where legally required.

9. Data Retention

We retain personal data only for as long as needed to fulfill the purposes described in this policy, including legal, accounting, security, and dispute-resolution requirements. Retention periods may vary by data type, service use, and legal obligation.

When retention is no longer required, we delete or anonymize data using reasonable technical and organizational controls.

10. User Rights

Subject to applicable law, you may have rights to:

Access personal information we hold about you.
Correct inaccurate or incomplete data.
Request deletion of personal data.
Request restriction or object to certain processing activities.
Request data portability where technically feasible.
Withdraw consent where processing is consent-based.
Opt out of targeted advertising and profiling in supported jurisdictions.

To exercise rights, contact us via the details in Section 13. We may need to verify your identity before processing requests.

11. Cookies & Tracking

Our website may use cookies, local storage, SDK event tokens, and similar technologies for:

Core functionality and security.
Analytics and performance measurement.
Content personalization and user preference storage.
Advertising measurement and frequency control in applicable app contexts.

You can control cookies through browser settings and adjust mobile tracking controls at the operating system level.

12. Security

We implement commercially reasonable safeguards designed to protect personal data from unauthorized access, disclosure, alteration, and destruction, including role-based access controls, secure transport configurations, and ongoing operational monitoring.

No method of transmission or storage is completely secure. We encourage users to protect credentials and use trusted networks and devices.

13. Contact & Data Protection

If you have privacy requests, complaints, or questions about this policy, contact:

Email (general privacy and support): support@rwzf-bj.com
Email (enterprise and governance): kangyafeng@rwzf-bj.com
Postal: Room 601-5165, No. 99 Yanmi Road, Xitiangezhuang Town, Miyun District (Cluster Registration), Beijing

We may update this Privacy Policy from time to time. Material changes will be reflected by the "Last updated" date at the top of this page.