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Connector & Electrical Harness Seals
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Reliable Connector Seals & Wire Harness Grommets Manufacturer

MingYu Sealing Technology (Taicang) specializes in high-performance sealing solutions for electrical systems. Our products are engineered to provide IP67/IP68 protection against moisture, dust, and harsh chemicals. With IATF 16949 alignment and 31+ years of manufacturing expertise, we support OEM/ODM requirements for global automotive and industrial leaders.

Target Applications

Automotive Electronics

ECU connectors, sensor housings, and EV charging systems.

Industrial Automation

Control panels, M12/M8 connectors, and robotic cable harnesses.

Renewable Energy

Solar inverter seals and battery management system (BMS) wiring.

Material Selection & Technical Data

Material Type Temp. Range Key Feature Hardness
Silicone (VMQ) -60°C to +225°C Excellent flexibility & weather resistance 30-80 Shore A
Fluorosilicone (FVMQ) -60°C to +200°C Superior fuel & solvent resistance 40-80 Shore A
EPDM -50°C to +150°C High ozone & UV stability 40-90 Shore A

Need a Custom Sealing Solution?

We provide end-to-end support from drawing design and tooling development to mass production.

1. Send Inquiry
Specs or Samples
2. DFM Report
Design Optimization
3. Rapid Prototype
Mold in 7-15 Days
4. Mass Production
IATF 16949 Quality

Connector & Electrical Harness Seals

Are You Looking for a Trusted Manufacturer of Custom Seals?
Get in Touch with us.
We are your preferred partner for high quality, reliable custom seals. Let's work together on your next project.
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Contact Us
  Phone: +86-18556882545
   Email:  julie@mingyu.net.cn
  WeChat: 18556882545
  WhatsApp:  +1 949 378 6965
   Add: No.15 Gugang Road, Taicang City, Jiangsu Province, China
Send Your Inquiry Now!
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