24-hour response
Let's Talk About Your Project
Tell us about your project — the application, the quantity, the certification requirements, the timeline. Our engineering team will respond within 24 hours with a tailored quote, technical specifications, and lead time estimate.
Direct Contact
✉️
Email
sales@sunjoylight.com 📱
WhatsApp / Phone
+86 189-0065-9085 📍
Factory Address
No.112 Donggu Village, Zhenglu Town, Tianning District, Changzhou, Jiangsu, China 213000
🕐
Working Hours
Mon–Fri 8:00–18:00 (GMT+8)
24h email response across time zones
24h email response across time zones
What happens next
- 1. We review your request and identify the engineer best matched to your application.
- 2. Within 24 hours, you receive a tailored response: spec sheets, IES files, draft quote.
- 3. If needed, we schedule a video call (Zoom / Teams / WeChat) to walk through your project.
- 4. Sample shipment, formal PI, or video factory tour — whatever moves the project forward.
✅ Inquiry sent — thank you!
Our engineering team has received your request and will reply to your email within 24 hours. For urgent projects, message us on WhatsApp.
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Your inquiry could not be sent. Please try again, or email us directly at sales@sunjoylight.com · WhatsApp.