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Medical device solution expert

Founded in 2003,  Envisen specialized in medical oximeters and SpO2 sensors, dedicating our design, research & development, and manufacturing teams in developing products of the highest quality. 

Anaesthesia and Respiratory Circuit Solution

• QTube™ Bilumen Breathing Circuit

• QView™ Prone Head Positioner

• CoreFlow™ Corrugated Breathing Circuit

• ExtendaFlow™ Extendible Breathing Circuit

• Respiratory Accessories

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Patient Monitor Sensor Solution

• SpO2 Sensor and Cables

• Temperature Sensor and Cables

• NIBP Cuffs and Extension Hoses



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Pulse Oximetry Monitoring Solution

• SoftOxy – Water Resistance Finger SpO2 Monitor

• HandyOxi500 – SpO2 Monitor

• eChip® – The Oximetry module

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Alcohol Breathalyzer Solution

• AlcoBoy – The Breathalyzer for Personal Use

• BA1080 – The Breathalyzer For Quick Screening

• BA6060 – The Breathalyzer for Law Enforcement

• Disposable Mouth Piece (S-Type)

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Products Center

Our vision is to be the best in Original Design and Manufacturing (ODM) of bilumen breathing circuits, SpO2 sensors, temperature probes and medical cables; and a Chinese company that produces world-class medical products.

Our Services

Envisen’s manufacturing facility is fully audited and accredited for ISO 13485, ISO 9001:2000 and ISO 14000 quality certification by TUV Rheinland Product Safety GmbH.

Comprehensive Product Quality Test

International standard hypoxia research laboratory provide Clinic test – For oximertry products including SpO2 sensors; Breath down test laboratory provide reference test – For oximertry products including SpO2 sensors; Spectrometer test – For SpO2 sensor LED.

Product Research and Development

Respiratory product team；Medical and Electronic device team； Medical accessories for patient monitors.



Manufacturing and Assembly

8000 sqm factory size;2000 sqm Class 300,000 clean room – Especially for the medical grade consumables production; 2000 sqm controlled production area – Suitable for medical cables and devices manufacturing.

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