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Sonkit Sealing Solutions
Metal O-Ring Seal
Metal O-Ring Seal
Metal C-Ring Seal
Metal C-Ring Seal
Metal U-Ring Seal
Metal U-Ring Seal
Metal V-Ring Seal
Metal V-Ring Seal
Metal E-Ring Seal
Metal E-Ring Seal
Latest Videos
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Inside Sonkit's Advanced Test Lab: Pushing the Limits of Metal Seal Technology
Video: Sonkit's Metal U-Ring Seals: Engineered for Extreme Conditions
Explore Sonkit: Inside Our State-of-the-Art Office and Factory
Featured Products
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Spring-Energized Metal C-Ring Seal
Spring-Energized Metal C-Ring Seal
Metal C-Ring Seal
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  • Designed for high pressure
  • Excellent tightness
  • High bolting load requirement
  • Good spring back
Standard Metal C-Ring Seal
Standard Metal C-Ring Seal
Metal C-Ring Seal
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  • Designed for high-pressure applications:
  • Low bolting load requirement
  • Good spring back
  • High-Temperature Applications
Metal W-Ring Seal
Metal W-Ring Seal
Metal E-Ring Seal
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  • High springback with low load requirement
  • Corrosion and radiation resistance
  • Large and segmented diameters available (>2000 mm)
One-stop Metal Seal Solution, So you can focus on your own engineering design.
Contact Us

  • 400 7167 800

  • johnny@sonkit.cn

Application
Applications
Company
Pioneering Excellence in Metal Sealing Rings Research and Production
Innovative Manufacturer Delivering High-Reliability Sealing Solutions
  • Year 2010
    Was Founded In
  • 20 Million Yuan
    Registered Capital
  • 2000 +
    Customers
News
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2025-07-15
Sonkit Visits TEI Turkey - Aerospace Metal Sealing Partnership | TUSAS Engine Industries
Sonkit strengthens aerospace partnerships with successful TEI Turkey visit. Discover our Metal E-Ring seals collaboration and Turkish aerospace market expansion.
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2025-06-27
Sonkit Launches Advanced Metal Seal Selector Tool to Revolutionize Sealing Solution Selection
Sonkit launches advanced Metal Seal Selector tool for optimal sealing solution selection. Digital platform supports extreme conditions from -270°C to 800°C, up to 800 MPa pressure across aerospace, oil & gas, and industrial applications.
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2025-06-27
Sonkit Industry Enhances Core Material Technology with Advanced Heat Treatment Training
Sonkit Industry conducts advanced heat treatment training focusing on Inconel 718 superalloy processing. Learn how our technical expertise in high-performance materials enhances metal sealing solutions for critical applications.
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2025-06-12
International Paris Air Show 2025: Advancing Aerospace Sealing Solutions and Innovations | Sonkit Insights
Discover key trends, technologies, and industry highlights from the International Paris Air Show 2025, Explore how Sonkit’s advanced metal sealing solutions align with aerospace innovations, sustainability, and future challenges.
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2025-06-06
AIREXPO Shanghai 2025: Aerospace Industry Event Highlights Metal Sealing Challenges
Explore Sonkit's leadership in high-performance metal seal solutions at the 9th Shanghai International Aerospace Technology and Equipment Exhibition (AIREXPO 2025). Discover how Sonkit’s metal Rings, are shaping the future of aerospace sealing
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Technical Articles
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2025-04-21
Metal C-Ring vs. O-Ring: Geometry and Performance Comparison
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2025-04-17
Metal Seal Design: Key Considerations for Extreme Environments
Explore essential factors in metal seal design for extreme environments, including material selection, seal profiles, and industry-specific needs.
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2025-04-08
How to Choose the Best Plating for Your Metal Seals: A Complete Guide
Learn how to select the right plating for metal seals based on environmental conditions, durability, and industry standards for optimal performance.
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2025-03-19
Metal Seal Maintenance Guide: Extending Service Life in Nuclear Plants
Learn how to maintain metal seals in nuclear plants for enhanced safety, efficiency, and extended service life.
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2025-03-12
O-Ring vs C-Ring Seals: Choosing the Right Option for Aerospace
Understand the key differences between O-rings and C-rings for aerospace applications to make informed sealing choices for your systems.
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