High-end sealproduction
production
Specializing in high-end seals for extreme conditions.
Specializing in high-end seals for 20 years
Specializing in high-end seals for 20 years
We care about the leakage rate of your device just like you do.
One-stop Metal Seal Solution, So you can focus on your own engineering design.
1000+
1000+
2005
2005
24
24
97
97
Customers
Customers
Hours
Hours
Founded
Founded
Customer Satifaction
Customer Satifaction
Metal and semimetallic gaskets are used in environments where extreme temperatures and pressures prohibit the use of non-metallic gaskets.
Advancements in facilities and machine technology demand more reliable gasket performance.
Metal C-Ring for External Pressure
Metal C-Ring for External Pressure
High temperature
Raido is a compounded word coming from VALUE and QUALITY
Raido is a compounded word coming from VALUE and QUALITY
Company News
Welding Preheating: Principles, Functions and Practical Key PointsI.Definition and Core Value of Welding Preheating
ParagraphSummary: Define welding preheating and expound its core functions andnormative basis.
Welding preheating refers to the process of heating the basemetal area around the weld joint to a specifi
Created on 11.26
Know the 5 Weld Joint Types? Guess Which One ShanghaiRaido Uses for Seals!A weld joint is a specific location or edge where twoor more pieces of metal or plastic are joined together by welding. The AmericanWelding Society recognizes five primary types of weld joints: butt, corner,edge, lap, and tee joints.Types of WeldJoin
Created on 11.14
The "Guardian" of Cryogenic Valves: Shanghai Raido Metal Sealing Rings Key Challenges for Cryogenic ValvesIn the industrial sector, cryogenic valves play acrucial role, widely used in scenarios such as the production, storage andtransportation of liquefied natural gas (LNG), air separationequipment, and scientific research. In these applications, valves
Created on 11.04
Why Is Gasket Quality Important? 5 Core Reasons You Need to KnowWhy Is Gasket QualityImportant? 5 Core Reasons You Need to Know
1. Leakage Prevention: Safeguarding the First Lineof Safety
The core function of a gasket is to seal the jointsof pipelines and equipment. If its quality is substandard, it
Created on 10.10
Founder's StoryLooking back on RAIDO Shanghai’s 20-year journey, the "record of the lowest order"—84 RMB—has never been broken. From the courage of a small manual workshop to a hidden champion in the high-end seal industry, the founder of RAIDO has led the company
Created on 10.09
Holiday NoticeRaidosealing Double Festival holiday arrangement: The market will be closed from October 1st to 8th, and normal work will resume on September 28th and October 11th. The holiday duty team is always ready to respond and safeguard the safety of your equ
Created on 09.29