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2026-08-19

Sonkit Debuts Metal Seal Complete Design Guide for Metal C-Ring, Metal O-Ring, and Metallic Seal Specification

Sonkit Sealing Solutions has published its Metal Seal Complete Design Guide for specifying metal C-ring, metal O-ring, and metallic seals. Open the guide on the Downloads page.

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2026-05-18

Cryogenic Valve Leakage Is Back in Focus: What LNG and Liquid Hydrogen Projects Should Specify in Metal Seals

LNG and liquid-hydrogen valve leakage is a seal, groove, preload, and leak-test problem. What to specify in metal C-rings, O-rings, and U-rings. From Sonkit.

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2026-05-08

Helium Leak-Tight Sealing Is Becoming a Shared Bottleneck for Nuclear Microreactors and Semiconductor Vacuum Tools

Explore how helium leak-tight metal seals are addressing critical bottlenecks in nuclear microreactors and semiconductor manufacturing. Learn about Sonkit’s C-Ring solutions designed for ultra-high vacuum and high-temperature environments.

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2026-04-24

Metal Seals for High-Temperature Valve Seats: Where Elastomers Fail First

Elastomers fail first in high-temperature valve seats. Metal seals for those joints where heat, leakage, and thermal cycling set the limit. From Sonkit.

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2026-03-16

Sonkit Obtains D-U-N-S® Number, Accelerating Global Market Expansion

Sonkit has obtained the D-U-N-S® Number, strengthening its position as a global high-performance metal seal manufacturer. Discover what this means for international partnerships.

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2026-04-06

Hydrogen Electrolyzer Scale-Up Is Putting Leak-Tight Sealing and Valve Integrity Under the Spotlight

Hydrogen electrolyzer scale-up is raising the bar for leak-tight sealing and valve integrity. Explore why metal seals, cryogenic duty, and semiconductor-grade leak-testing discipline are becoming critical to hydrogen system reliability.

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2026-02-03

Sonkit 2026 Chinese New Year Holiday Notice

Holiday Notice: Sonkit factory will be closed for the Chinese New Year holiday from Feb 12 – Feb 24.While production is paused, we are still open for quotations and technical consultation during this time.

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2025-11-28

World Hydrogen Expo 2025: Advanced Metal Sealing Solutions for Hydrogen Infrastructure

An in-depth exploration of World Hydrogen Expo 2025 and how Sonkit's advanced metal sealing solutions enable safe, efficient hydrogen infrastructure across production, storage, transportation, and utilization applications.

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2025-12-22

Sonkit Achieves AS9100 Certification | Aerospace Metal Seal Quality Standard

Sonkit is now AS9100 certified, demonstrating world-class aerospace quality management for high-performance metal seals used in critical aerospace, vacuum, and extreme environments.

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