
Our in-house production lines at ZUMU Technology Co., Ltd. cover AMOLED round displays, high-end fashion series for women, rugged sports watches, and screenless health bracelets. Every model supports buyer-label branding, custom watch faces, and custom gift boxes.




Review standard hardware and firmware capabilities configured across our current production lines. Detailed parameter customization is provided upon project briefing.
We combine hardware R&D, firmware engineering, SMT assembly, and strict QC protocols in Shenzhen, Guangdong, China. Overseas importers rely on us for consistent quality and immediate technical feedback.
Pre-load customized boot screens, exclusive brand watch faces, multi-language packs, and localized system settings.
Complete SDK documentation and customized iOS/Android companion applications published under your company's developer accounts.
Automated optical SMT checks, 48-hour continuous aging tests, drop testing, and waterproof tank validation for every order.
Key commercial and technical details for international buyers and importers.
Ready-stock sample units start from 1 piece. Laser logo customization starts from 100 pieces, while full private-label packaging and UI firmware localization start from 500 to 3,000 pieces per SKU.
Yes, ZUMU Technology Co., Ltd. provides full white-label app customization, brand UI integration, and cloud API access for enterprise clients.
Every production run includes UN38.3 battery transport safety reports, MSDS documentation, and pressure-tank waterproof test logs issued prior to shipment.
Submit your project requirements or target landed cost to [email protected] — our engineering and sales specialists respond within 24 hours.