Turnkey engineering, hardware customization, firmware development, and verified quality control for international B2B importers.
At ZUMU Technology Co., Ltd., we specialize in comprehensive Original Equipment Manufacturing (OEM) and Original Design Manufacturing (ODM) services tailored for global brand owners, importers, telecom operators, and retail distributors. Operating from our Shenzhen manufacturing center, we provide fully verified end-to-end wearable device customization.
We provide full-scope customization covering structural tooling, hardware assembly, proprietary firmware modification, and private-label retail packaging:
Every product line manufactured by ZUMU Technology Co., Ltd. undergoes rigorous in-house quality assurance protocol. We ensure that all products adhere strictly to target market regulatory standards before shipment authorization.
| Waterproof Testing | 5ATM pressure-chamber validation for smart rings; IP67/IP68 water spray & immersion testing for smartwatches and screenless fitness trackers. |
|---|---|
| Durability & Reliability | 48-hour continuous burn-in aging test, 1.5-meter drop impact verification, salt-spray corrosion tests for metallic alloys, and thermal shock cycles. |
| Battery & RF Compliance | CE, RoHS, MSDS, and UN38.3 test reports supplied per production batch; standard dangerous-goods packing for air and maritime freight. |
| Inspection Records | 100% SMT AOI inspection, full functional testing, and traceable QA batch inspection reports attached to every export order. |
To ensure transparent project execution and guaranteed delivery times, ZUMU Technology Co., Ltd. follows a strict 5-step production protocol:
Get direct technical feasibility assessment and volume quotation within 24 hours.