Privacy Policy
Last updated: July 6, 2026
This Privacy Policy explains how Changzhou Shuangjia Electrical Appliance Co., Ltd. (operating internationally as Sunjoylight, "we", "us") collects, uses, and protects personal data when you use www.sunjoylight.com (the "Website") or contact us in the course of business.
1. Who We Are (Data Controller)
Changzhou Shuangjia Electrical Appliance Co., Ltd.
No. 112, Donggu Village, Zhenglu Town, Tianning District, Changzhou, Jiangsu Province, China
Email: [email protected] · Tel: +86 519-8873-5388
2. What Data We Collect
- Inquiry data you submit — when you use our contact or quote forms, email us, or message us on WhatsApp: name, company, business email, country/region, phone or WhatsApp number, and the content of your inquiry.
- Technical data — our hosting provider (Cloudflare) processes standard server logs such as IP address, browser type, requested pages, and approximate country, for security and performance purposes.
- We do not knowingly collect data from children, and the Website is intended for business (B2B) use.
3. Why We Use Your Data
- To respond to your inquiry, prepare quotations, spec sheets, photometric files, and samples;
- To manage an ongoing business relationship, orders, and after-sales support;
- To operate, secure, and improve the Website;
- To comply with legal obligations (e.g., export documentation, accounting).
Where the EU/UK GDPR applies, our legal bases are: your consent (contact forms), performance of or steps toward a contract (quotations, orders), and legitimate interests (Website security, responding to business communications).
4. Who We Share Data With
We do not sell personal data. We share it only with service providers needed to run the Website and respond to you:
- Cloudflare, Inc. — website hosting, DNS, and security;
- Resend — delivery of inquiry-form notifications to our sales mailbox;
- Our email hosting provider — operation of the [email protected] mailbox;
- Logistics, banking, and certification partners where necessary to perform a contract with you.
5. International Transfers
We are based in China, and our Website infrastructure and email services operate on global networks (including servers in the United States and Europe). By contacting us, you understand that your inquiry data will be processed in these locations. We limit processing to the purposes described in this policy.
6. Retention
Inquiry correspondence is retained for as long as needed to handle your request and any resulting business relationship, and afterwards as required for legal and accounting purposes. You may request deletion at any time (see Section 7).
7. Your Rights
Subject to applicable law, you may request access to, correction of, or deletion of your personal data, object to or restrict its processing, and withdraw consent. To exercise any of these rights, email [email protected] with the subject "Privacy Request". We respond within 30 days.
8. Cookies
The Website uses only essential cookies. See our Cookie Policy for details.
9. Security
The Website is served exclusively over HTTPS. Access to inquiry data is limited to staff who need it to respond to you. No method of transmission or storage is 100% secure, but we apply commercially reasonable safeguards.
10. Changes to This Policy
We may update this policy from time to time. The "Last updated" date above reflects the current version. Material changes will be posted on this page.
11. Contact
Questions about this policy or your data: [email protected], or write to the address in Section 1.