Chengxin Leads the Way—Anti-Extrusion Ring/Support Ring Sealing Technology
Are you currently facing these sealing system challenges?
Do Sealed High-Pressure Components Often Leak?
Short seal life and high maintenance costs?
Are Seals Prone to Failure Under Extreme Operating Conditions?
Chengxin Sealing King:
Providing Solid Support for Your Critical Equipment
Chengxin Sealing King has been deeply involved in the industrial sealing sector for many years, specializing in providing high-quality anti-extrusion rings and support rings. We are not only a product supplier but also your trusted technical partner. Through professional consultation and customized services, we help you overcome the challenges of harsh operating conditions—such as high pressure, high temperature, and corrosion—to ensure stable equipment operation, significantly extend seal life, effectively reduce maintenance costs, and take your production efficiency to the next level.
The 4 Major Advantages of Chengxin
With our in-depth understanding of the various challenges in industrial sealing systems, we offer proven, high-performance anti-extrusion rings and support ring solutions. From material selection and structural design to manufacturing processes, every step is subject to rigorous quality control to ensure that our products operate reliably even in the most demanding working environments, providing long-term, dependable sealing protection for your equipment.
A Variety of Material Options
We offer a variety of high-performance materials, including PTFE, PEEK, POM, and nylon, which are custom-configured for different operating conditions to ensure optimal sealing performance and service life.
Precision Manufacturing
Using precision CNC machining and a rigorous quality control system, we achieve precise tolerance control and high dimensional stability, ensuring a perfect fit with the groove and delivering optimal sealing performance.
Customized Design Service
Our team of technical experts provides one-on-one engineering consultations and designs customized solutions based on your specific needs, ensuring rapid delivery from drawings to prototypes and shortening the development cycle.
Full Technical Support
From product selection recommendations and installation guidance to after-sales service, we provide comprehensive technical support to help you resolve on-site application issues and ensure the stable operation of your equipment.
Extensive product line
Chengxin Sealing King’s anti-extrusion rings and support rings are widely used in a variety of demanding industrial environments to ensure the stable and efficient operation of critical equipment, making them an indispensable and reliable choice for you.
Pressure side of the hydraulic cylinder
In high-pressure hydraulic systems, our sealing rings effectively prevent O-rings from being squeezed out or deformed, ensuring smooth operation of hydraulic cylinders, significantly extending their service life, and reducing maintenance frequency.
Chemical Reactor
When exposed to corrosive media and extreme temperatures, support rings made of special materials offer exceptional chemical compatibility and temperature resistance, ensuring the safety and seal integrity of the reaction process.
Construction Machinery Hydraulic Hoses
In construction machinery applications subject to vibration and heavy loads, our anti-extrusion ring-reinforced hydraulic hose seals enhance pressure resistance, prevent premature failure, and ensure continuous equipment operation.
Wide range of applications
Hydraulic System
Pneumatic Equipment
Machine Tool Industry
petrochemical industry
Customer Testimonials
"After introducing Chengxin Sealing King's PEEK anti-extrusion rings, the service life of our hydraulic system seals has tripled, significantly reducing maintenance costs. The product quality is consistent, and the technical support is excellent."

A well-known machine tool manufacturer
"In high-pressure, corrosive environments, Chengxin's PTFE anti-extrusion rings have performed exceptionally well, effectively resolving our long-standing leakage issues. With on-time delivery and a high level of cooperation, they are a trustworthy partner."

Major Petrochemical Equipment Manufacturer
Choose Chengxin, Choose Peace of Mind
01Professional Consultation
Our engineers will provide a free assessment of your application needs and recommend the most suitable solution.
02Sample Testing
We will provide samples for actual testing to verify that their performance meets your expectations.
03Rapid delivery
We’ll quickly arrange production after your order is confirmed to ensure your project stays on schedule.
04Installation Support
Detailed installation instructions and live online support
05Ongoing Services
Long-term technical support and regular follow-ups ensure the system runs smoothly
Cheng Hsin Seal King not only provides high quality products, but also emphasizes the long-term cooperation relationship with customers. Our technical team is always on standby to assist you in solving all kinds of sealing-related technical problems, ensuring that your equipment always maintains the best running condition.
Get Started on Your Sealing Upgrade Plan Today
Let Chengxin Sealing King help you solve your sealing challenges
No matter what sealing challenges you face, Chengxin Sealing King can provide professional solutions. Our technical team is always ready to assist you, offering comprehensive support from needs analysis to product delivery.
Contact us now to take advantage of the following offers: