Privacy Policy
How we handle your data.
1. Who We Are
SIGMA Process Equipment ("we", "us") operates sigmaprocessequipment.com. We are a B2B exporter of used industrial chemical and process equipment based in China. For any privacy-related questions, contact us at info@sigmaprocessequipment.com.
2. Data We Collect
We collect only what is necessary to respond to your equipment inquiries:
- Inquiry form submissions: your name, email address, company name, and message content.
- Technical data automatically collected by our hosting provider (Cloudflare): IP address, browser type, pages visited, and timestamps. This data is used for security and performance purposes.
- Analytics data collected by Google Analytics 4 (GA4): anonymized usage patterns, page views, and referral sources. No personally identifiable information is shared with Google.
3. How We Use Your Data
- To respond to your equipment inquiries and provide quotations.
- To improve our website and understand how visitors use it.
- To protect our website against abuse and ensure security (via Cloudflare).
4. Cookies
We use only essential cookies required for website functionality and Google Analytics cookies for anonymous traffic analysis. We do not use advertising or tracking cookies. For details, see our Cookie Policy.
5. Third-Party Services
- Cloudflare — website hosting, CDN, and security. Cloudflare may process IP addresses and request metadata to provide its services. See Cloudflare's privacy policy at cloudflare.com/privacypolicy.
- Google Analytics 4 — anonymous website usage analytics. Data is processed by Google under its privacy policy at policies.google.com/privacy. IP anonymization is enabled.
6. Data Retention
Inquiry form data is retained for as long as necessary to fulfill your request and maintain our business relationship, typically no longer than 3 years after last contact. Analytics data is retained according to Google Analytics' default retention settings (14 months).
7. Your Rights
If you are located in the EU/EEA, you have the right under GDPR to access, correct, delete, or export your personal data. You may also object to or restrict processing. To exercise these rights, email us at info@sigmaprocessequipment.com. We will respond within 30 days.
8. Contact
For questions about this privacy policy or your personal data, contact us at info@sigmaprocessequipment.com.
Last updated: June 2026.