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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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2025-04-23
Insights from Petroleum Istanbul Exhibition 2025: A Look into Future Energy Solutions and Metal Sealing Innovations
Explore the latest trends and technologies presented at the Petroleum Istanbul Exhibition 2025, and discover Sonkit's innovative metal sealing solutions that align with the evolving energy landscape.
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2025-04-22
Sonkit Industry Advances Quality Control with Comprehensive NDT Training Program
Discover how Sonkit's advanced NDT training program ensures superior quality control in metal seal manufacturing through non-destructive testing and inspection technologies.
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2025-04-01
Hannover Messe 2025: Advancing Industrial Innovation with Cutting-Edge Metal Sealing Solutions
Explore how Hannover Messe 2025's focus on AI, smart manufacturing, and sustainability aligns with Sonkit's advanced metal sealing solutions that enable reliable, efficient industrial innovation.
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2025-03-10
Celebrating Initiative: Beyond-Scope Achievement in Marketing Internship
Charles Leng transformed a B2B marketing internship at Sonkit Industry into a comprehensive digital initiative,
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2025-01-24
Sonkit's 2025 Annual Celebration: Reflecting on Achievements, Building the Future
Sonkit’s 2025 Annual Celebration honored milestones and team spirit, inspiring innovation and excellence in metal sealing solutions for a brighter future.
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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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