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Integrated medical cable solutions for patient monitoring, diagnosis, and emergency care.

For patient monitoring and cardiac diagnostics.

For neuro-monitoring, EMG, and intraoperative neuromonitoring(ONM).

For accurate blood oxygen monitoring.

For emergency and cardiac resuscitation systems.

For secure and stable medical device connections.

Shenzhen Jolly is a professional OEM/ODM manufacturer specializing in custom medical cables and connectors, serving global medical device companies with proven manufacturing expertise. We design and produce reliable cable assemblies, leadwires, and electrodes for modern medical and monitoring equipment.
Our core products include EEG and ECG cables, SpO₂ sensor cables, defibrillator cables and pads, EMS/TENS electrodes, and ESU cables. All products are manufactured under an ISO 13485 certified quality system, ensuring consistent performance, safety, and compliance.
We work closely with medical device manufacturers and distributors worldwide, providing flexible customization, rapid prototyping, and stable mass production to support both new developments and long-term supply programs.
We deliver one-stop integrated solutions from cable to connector, including material selection, electrical design, and custom molding, tailored to specific medical device requirements.
Our engineering team provides full lifecycle support for electrical and mechanical validation, helping reduce development risks and accelerate product approval.
A complete traceability system ensures full control from raw materials to finished batches, supporting quality audits and regulatory compliance.
With stable mass production capabilities, we guarantee consistent quality and reliable lead times for long-term and repeat projects.


Quality control and traceability are essential for custom medical cable programs. We operate a robust production control and traceability system designed to support both standard and customized assemblies.
Each production batch is fully traceable to raw materials, process records, and inspection data, enabling effective version control, regulatory compliance, and long-term quality consistency.
Our manufacturing setup is optimized for long-term, multi-variant, and large-volume medical projects, ensuring stable quality across repeated orders and design iterations.
From ongoing supply to large-scale production programs, we focus on consistency, reliability, and on-time delivery to support our customers’ long-term device platforms.

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What is EEG?
EEG (Electroencephalography) is a non-invasive method used to record the electrical activity of the brain.
It works by detecting tiny electrical signals generated by brain cells through electrodes placed on the scalp.
EEG is widely used in:
Neurological examinations
Sleep studies and sleep disorder diagnosis
Brain function monitoring
Clinical research and neuro-science studies
What is an EEG Cable?
An EEG cable is a specialized medical cable designed to connect EEG electrodes to an EEG monitoring system, enabling stable and accurate transmission of brain electrical signals.
EEG cables play a critical role in EEG systems because:
Brain signals are extremely weak
Signal noise and interference must be minimized
Stable impedance and shielding are essential
How EEG Cables Connect Devices and Patients?
An EEG system typically consists of:
EEG electrodes placed on the patient’s scalp
EEG cables connecting the electrodes
EEG acquisition and monitoring equipment
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