Medical Membrane Switch Supplier – LID CO., LIMITED

Medical Membrane Switch Supplier – LID CO., LIMITED


ISO 13485 / FDA GMP Certified, Global OEM Partner

Medical membrane switch control panel with a display and multiple operation buttons, placed on documents from LID CO., LIMITED.

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Medical Membrane Switch Supplier – Why Global OEMs Choose LID CO., LIMITED


✅ ISO 13485 medical-device quality system


✅ FDA GMP compliant manufacturing


✅ < 0.5 Ω contact resistance gold-plated domes


✅ 5 million-cycle life validated to ASTM F1578


✅ IP67 / IP69K + EMI shielding for ICU & OR environments


✅ 48-hour prototype, 50-piece MOQ production


Our medical membrane switches are crafted to meet rigorous quality benchmarks. We build them according to the ISO 13485 medical device quality system. This standard is globally recognized. It ensures our switches perform reliably in critical healthcare settings. Our manufacturing processes strictly follow FDA Good Manufacturing Practices. This guarantees every switch is safe and consistently made. These practices are essential for medical products.

These switches feature gold-plated domes. This design choice provides very low contact resistance. The resistance is under 0.5 Ohms. This low resistance allows for quick and dependable signal transmission. This speed is vital for accurate medical readings. We rigorously test these switches for durability. They boast a proven lifespan of 5 million activation cycles. This extensive testing follows ASTM F1578 standards. These standards are specific to membrane keyboards.

Our membrane switches offer strong environmental protection. They have earned both IP67 and IP69K ratings. This means they effectively resist dust ingress. They also withstand powerful high-pressure water jets. This makes them suitable for frequent cleaning. Furthermore, these switches include built-in EMI shielding. This shielding is crucial for maintaining sterile environments. Think about areas like intensive care units (ICUs) and operating rooms (ORs). This protection prevents electromagnetic interference. Such interference could disrupt sensitive medical equipment. It ensures all critical medical devices function as intended.

We understand the need for speed in product development. That’s why we offer rapid prototyping services. You can receive your custom membrane switch designs within a 48-hour turnaround. We also support efficient small production runs. We can handle quantities as low as 50 pieces. This flexibility allows for quick product testing. It helps you enter the market faster with your innovations.


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Core Medical Solutions


Device Switch Specification Certifications 

Infusion Pumps 12-key matrix, 400 g stainless dome, 0.5 m ZIF tail ISO 13485, IEC 60601-1-2 

Ventilators 24-key + 4 encoders, IP65, EMC mesh IEC 60601-1-2, UL 94 V-0 

Dialysis Machines Antimicrobial overlay, 1 M cycle, chemical-resistant FDA GMP, RoHS 

Diagnostic Carts Backlit icons, USB-C tail, −40 °C ↔ +85 °C CE, FCC Part 15 


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Factory Advantages – Made in China, Ready for the World


• 12 000 m² ISO 13485 plant in Foshan, China


• Class 10 000 clean-room printing & assembly


• In-house EMI chamber (3 m semi-anechoic) – 18 GHz


• Daily capacity: 50 000 medical switches + 20 000 silicone keypads


• Traceability: QR-coded lots, 10-year data retention


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Quality & Regulatory Stack


Standard Scope Verification 

ISO 13485:2016 Medical-device QMS Annual SGS audit 

FDA GMP 21 CFR 820 US market entry Documented IQ/OQ/PQ 

IEC 60601-1-2 EMC/EMI 20 V/m radiated pass 

ISO 10993-5 Cytotoxicity Pass, no irritation 

RoHS / REACH / UL 94 V-0 Global compliance Certificate shipped per lot 


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Rapid Prototype & Ramp-Up


1. Submit AI/DXF + pin-out  

2. 48-hour laser-cut prototype (no tooling)  

3. Validation – life, chemical, EMI, 1 M cycle  

4. Production – 50–100 000 units, identical force curves


Submit your membrane switch design files. We require Adobe Illustrator (AI) or Drawing Exchange Format (DXF) files. Please also provide the pin-out diagram. This detailed information is essential for our manufacturing process. It acts as the blueprint for creating your custom switch.

We will then produce a rapid prototype of your membrane switch. This sample is created using precision laser-cutting technology. You can expect this laser-cut sample within a mere 48 hours. There are no initial tooling costs for this first sample. This fast turnaround allows you to physically interact with your switch design very early. You can see and feel its tactile response.

Following the prototype creation, we conduct thorough testing. This validation process examines critical performance aspects. We verify its expected lifespan, ensuring it meets your specific cycle count requirements. The prototype undergoes resistance testing against common industrial chemicals. EMI shielding capabilities are also confirmed. Our testing often extends to one million cycles. This rigorous evaluation guarantees the switch's reliability in your intended application.

Once you approve the prototype, we move to full-scale production. We are capable of manufacturing membrane switches in substantial quantities. Our production runs can range from 50,000 to 100,000 units. Throughout these large production volumes, we maintain strict consistency. Every switch produced will exhibit identical force curves. This means each individual switch will have the same feel and performance. This level of precision is vital for a superior user experience and overall product quality.


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Global Logistics


• Shenzhen Port 1 h truck ride


• DHL Express 3–5 days worldwide


• JIT consignment for US & EU OEMs

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Contact the Medical Membrane Switch Supplier


LID CO., LIMITED


02, Chengfen Rd., Ronggui, Foshan, Guangdong 528303, China


T: (0757) 8499 2835 | F: (0757) 8624 9932


Website: https://tactilemembrane.com


E: info@tactilemembrane.com | tactilemembrane@163.com


From 1-piece prototype to 100 k-piece annual supply, LID CO., LIMITED is the medical membrane switch supplier you can trust for ISO 13485 quality, FDA GMP compliance, and China speed.


Keywords: medical membrane switch supplier, ISO 13485 membrane switch, FDA GMP membrane keypad, China medical switch OEM, LID CO LIMITED

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