Privacy policy
Tianyan Computer Electronics Co., Ltd. (Tianyan)
PRIVACY POLICY
Last Updated: January 1, 2025
1. INTRODUCTION
This Privacy Policy (“Policy”) governs how Tianyan Computer Electronics Co., Ltd. and its subsidiaries (“Tianyan,” “we,” “us,” or “our”) collect, use, and protect Personal Information (defined below) from users (“you” or “your”) of our website, https://www.archcalculators.com/, and related services, including mobile apps, subdomains, and affiliated platforms (collectively, the “Service”). Your use of the Service is subject to our Terms of Use.
Personal Information includes data that identifies you directly or indirectly (e.g., name, email, IP address). Sensitive Personal Information (a subset of Personal Information) includes government IDs, financial account details, precise geolocation, and biometric data. By using the Service, you consent to this Policy. If you disagree, do not use the Service.
Third-party links or ads on the Service are not controlled by Tianyan. We are not responsible for their privacy practices.
2. CHANGES TO THIS POLICY
We may update this Policy periodically. The “Last Updated” date at the top reflects the latest version. Changes apply immediately upon posting. Continued use after updates constitutes acceptance.
3. CHILDREN’S PRIVACY
The Service is not intended for users under 13. We do not knowingly collect data from children. Report concerns to Sales07@tyjtw.com.
4. INFORMATION WE COLLECT
Categories of Personal Information
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Identifiers: Name, email, address, phone number.
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Transaction Data: Payment method, billing/shipping address.
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Account Details: saved payment information.
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Geolocation: Region based on IP address.
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Usage Data: Browsing history, interactions with the Service (via cookies).
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Inferences: Preferences and behavior profiles.
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Sensitive Data: Account login credentials.
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Sources of Collection
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Directly From You: Via forms, purchases, account creation, or communications.
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Third Parties: Payment processors (e.g., Shopify), analytics providers (e.g., Google Analytics), and advertising partners.
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Automated Tools: Cookies, web beacons, and log files.
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5. HOW WE USE PERSONAL INFORMATION
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Fulfill orders and provide customer support.
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Improve Service functionality and user experience.
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Send marketing communications (with opt-out options).
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Comply with legal obligations.
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Prevent fraud and ensure security.
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6. HOW WE SHARE INFORMATION
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Service Providers: U.S.-based partners like Shopify (payment processing), Google Cloud (data storage), and Mailchimp (email marketing).
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Legal Compliance: Disclose data if required by law or to protect rights/safety.
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Business Transfers: In mergers, acquisitions, or asset sales.
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We do not sell Personal Information for monetary gain but may share aggregated/anonymized data for analytics.
7. DATA RETENTION
We retain Personal Information as long as necessary to:
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Fulfill orders and provide services.
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Comply with legal obligations.
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Resolve disputes or enforce agreements.
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8. YOUR RIGHTS
U.S. Residents (CCPA, CPA, VCDPA, etc.)
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Access/Delete: Request details or deletion of your data.
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Opt-Out: Opt out of data sharing for targeted ads.
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Correct: Update inaccurate information.
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Submit requests to Sales07@tyjtw.com or mail:
Tianyan Computer Electronics Co., Ltd.
110 Ruyi South Road, Longgang District
Shenzhen, Guangdong Province, China
EU/UK Residents (GDPR)
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Access, Rectify, Erase: Request data copies, corrections, or deletion.
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Restrict Processing: Limit how we use your data.
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Data Portability: Receive your data in a transferable format.
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Object: Object to processing for direct marketing.
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Contact our EU Representative at GDPR-Rep@tyjtw.com.
9. INTERNATIONAL DATA TRANSFERS
Data collected in the EU/UK is transferred to the U.S. under GDPR-approved safeguards (e.g., Standard Contractual Clauses).
10. COOKIES & TRACKING
We use cookies for:
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Essential Functions: Login and payment processing.
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Performance: Analytics via Google Analytics and Adobe Analytics.
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Advertising: Targeted ads via Meta Pixel and Google Ads.
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Manage preferences via browser settings or our Cookie Consent Banner.
11. DATA SECURITY
We use SSL encryption, access controls, and regular audits to protect data. No system is 100% secure—report breaches to Sales07@tyjtw.com.
12. NOTICE TO U.S. RESIDENTS
State-Specific Rights (CA, CO, VA, etc.)
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Opt-Out of Sales/Sharing: Email Sales07@tyjtw.com.
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Appeal Denied Requests: Within 45 days of denial.
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Shine the Light (CA)
CA residents may request third-party marketing disclosures.
13. CONTACT US
For questions, requests, or complaints:
Email: Sales07@tyjtw.com
EU Representative: GDPR-Rep@tyjtw.com
© 2025 Tianyan Computer Electronics Co., Ltd. All rights reserved.