Chengxin Industrial Seal King
Chengxin High-Performance Engineering Plastics: The Sealing Champion

High-Performance Engineering Plastic Material Sealing Component Solutions

We specialize in sealing and component integration solutions for extreme environments, providing manufacturing industries with cutting-edge material technology and engineering support.

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Chengxin High-Performance Engineering Plastics: The Sealing Champion

High performance
 Engineering Plastic Sealing Components
 Solution

We specialize in sealing and component integration solutions for extreme environments, providing manufacturing industries with cutting-edge material technology and engineering support.

Contact Us Now

technical solution

Will your seals
 Extreme Environment Failure ？

Frequent equipment shutdowns causing significant losses?
Is the sealing material unable to resist chemical corrosion?
Are seals failing or components requiring frequent replacement in extreme temperature environments, potentially impacting product yield?
Let us serve you

Let Chengxin Industrial Seal King Let me help you.

Chengxin Industrial Sealing Solutions empowers you to effortlessly tackle demanding sealing challenges. We specialize in high-performance engineering plastic sealing materials (such as PEEK and FFKM), precisely addressing issues in high-temperature, high-pressure, and highly corrosive environments. Leveraging extensive experience and leading-edge technology, we deliver customized sealing solutions and professional technical support to ensure efficient and stable equipment operation.
Choose Chengxin, say goodbye to frequent downtime and wear and tear.
！
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Six Core Advantages

Chengxin Gao Engineering Plastic Seal King
 Six Core Advantages

Facing demanding industrial challenges, Chengxin delivers exceptional solutions through six core strengths. Beyond providing premium materials, we integrate rapid response mechanisms, customized designs, and expert technical support to ensure your equipment maintains peak performance in any extreme environment. This significantly reduces downtime risks and boosts production efficiency.

Premium Material Blend

Rigorously selected six high-performance polymers—PI, PVDF, PCTFE, PEEK, PTFE, and FFKM—deliver exceptional temperature resistance, corrosion resistance, and mechanical strength, ensuring seal reliability and longevity in extreme environments.

Precision machining capabilities

Leveraging cutting-edge equipment and extensive expertise, we achieve ultra-high-precision machining with tight tolerances. This ensures each seal is dimensionally accurate and perfectly matches equipment requirements, effectively preventing leakage risks.

Professional Technical Support

A professional team of senior engineers utilizes advanced tools such as FEA (Finite Element Analysis) to provide clients with comprehensive technical consulting and problem-solving solutions spanning material selection, design, and manufacturing.

100% Yield Capability

In response to industrial automation, certain production lines can achieve a 100% yield rate, providing solutions for automated manufacturing.

Quality Assurance System

Strictly adhering to ISO international quality management standards, every step from raw material procurement to final product undergoes rigorous inspection to ensure 100% traceability and exceptional product quality.

Custom orders are available from one to one million units.

From quick quotes to timely delivery, we provide efficient and reliable services while adhering to ISO standards to ensure exceptional product quality.
High-performance

Six Major High performance Material Combination

Polyimide (PI)

The material of choice for extreme high-temperature performance
Exceptional high-temperature stability and mechanical strength, suitable for extreme environments of 260-300°C.

Polyvinylidene fluoride (PVDF)

A Reliable Partner in the Chemical Industry
Chemically resistant and UV-resistant, suitable for strong acids, alkalis, and organic solvents.

Polychlorotrifluoroethylene (PCTFE)

Low-Temperature and Hermetic Application Specialist
Exceptional low-temperature toughness, superior gas barrier properties, operating temperature down to -240°C.

Polyetheretherketone (PEEK)

Balance of Mechanical Strength and Chemical Stability
High strength, high-temperature resistance, chemical corrosion resistance, with a continuous operating temperature up to 260°C.

Polytetrafluoroethylene (PTFE)

The epitome of chemical inertness and low friction coefficient
Chemically inert with an extremely low coefficient of friction, providing exceptional self-lubricating properties.

Perfluoroelastomer (FFKM)

The Ultimate Solution for Elastic Seals
Combines chemical resistance with high-temperature resistance, operating at temperatures exceeding 300°C.
Delivery Materials

Delivery Materials Checklist

01.

Bars

Multiple diameters and lengths to meet machining requirements.

02.

Sheet material

Available in multiple thicknesses and sizes, suitable for cutting and forming.

03.

Pipe

Various inner and outer diameters for fluid transmission and protection.

04.

Molded parts

Custom-made to design specifications, precision-formed.

Solution

Chengxin's Four Major Industrial Sealing Components
Solution

Chengxin Sealing King provides one-stop solutions for mass production of components, resolving product and equipment issues.

Chengxin Sealing King leverages its leading technology and extensive experience to provide diverse customized sealing solutions for various industries. Below is a showcase of our key product portfolio across different application fields, including sealing components belonging to the following four major sets, ensuring equipment operates efficiently and stably even in the most demanding environments.

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Spring-Assisted Sealing Assembly

The built-in spring provides continuous sealing force, working in conjunction with the anti-extrusion ring and O-ring spare (outer ring) to effectively overcome challenges such as high pressure, high temperature, and chemical corrosion. It is widely used in valves, pumps, and reactors.

Hydraulic Cylinder Seal Kit (Reciprocating)

Specifically designed for reciprocating motion, it incorporates radial shaft seals, spring-assisted rotating seals, anti-extrusion/support rings, and static backup rings to ensure hydraulic cylinders maintain exceptional sealing performance and service life even under frequent operation.

Static Flange/Valve Sealing

We provide standard and customized solutions including O-rings, square rings, flat gaskets, and rectangular gaskets. Additionally, our carrier-integrated seals and specialized valve seats/seat rings ensure zero leakage at flange-to-valve connections, suitable for high-cleanliness and corrosive environments.

Sanitation/Chemical Engineering/Vacuum and External Protection

Tailored to specific industry requirements, we provide sanitary-grade seals, vacuum sealing lips that ensure vacuum system integrity, and protective covers/spacers shielding seals from external environments—all designed to comprehensively enhance equipment reliability.
Solve the challenge

Solve Your Industry's Sealing Challenges

Chengxin Industrial Sealing King not only provides high-performance materials but also delivers professional solutions to help you overcome the most demanding industrial environments. We ensure your equipment operates reliably under high temperatures, high pressures, and corrosive media, significantly improving product yield and extending equipment lifespan.

Overcoming Extreme Temperatures

Our seals can withstand extreme high and low temperatures while maintaining stable performance, preventing failure caused by temperature fluctuations.

Resist corrosion

Provides corrosion-resistant sealing materials for strong acids, strong alkalis, and various chemical solvents, effectively extending the service life of critical equipment components.

Improve equipment yield

Precision sealing technology and superior materials ensure stable, leak-free production processes, significantly boosting product yield rates.

Extend product lifespan

Reduce frequent seal replacements, lower maintenance costs and downtime, and maximize equipment operational efficiency and economic benefits.
Industry Applications

Industrial Application Fields

Semiconductor Manufacturing

In ultra-clean, high-temperature, and high-pressure environments, ensuring the precision of wafer manufacturing and packaging along with material purity, meeting stringent standards such as SEMI F57.

Chemical Process

Withstands extreme corrosive media such as strong acids, strong alkalis, high temperatures, and high pressures, delivering superior chemical compatibility and sealing performance to extend equipment lifespan and enhance operational safety.

Aerospace Industry

Meeting the stringent demands of extreme temperatures, vacuum, high pressure, and radiation environments, we provide lightweight, highly reliable solutions to ensure the stable operation of aerospace equipment.

Pharmaceutical and Biotechnology

Utilizing biocompatible materials compliant with USP Class VI and FDA standards ensures the integrity of pharmaceutical equipment in sterile, high-purity processes, preventing cross-contamination.

Oil and Natural Gas

Under high-pressure, high-temperature, and corrosive environments (such as hydrogen sulfide), it delivers exceptional wear resistance, corrosion resistance, and sealing performance, ensuring drilling, extraction, and transportation efficiency and safety.

Food Processing

Manufactured using materials compliant with FDA and EC 1935/2004 food-grade certifications, ensuring the product is non-toxic and resistant to high-temperature steam cleaning and chemical disinfection, thereby safeguarding food production hygiene and safety.
Case Studies

Success Stories Showcase

For years, we have assisted numerous leading enterprises in resolving critical sealing and component challenges, significantly enhancing equipment reliability, reducing maintenance costs, and improving process efficiency. Below are results from some representative projects.

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Reduced downtime

After adopting FFKM seals, a semiconductor factory reduced unplanned equipment downtime by 951 hours and saved over 5 million yuan in annual maintenance costs.
0 倍

Extended service life

The chemical plant's pump system switched to PEEK bearings and PTFE seals, extending component service life from 6 months to 18 months and significantly reducing replacement frequency.
0 %

Improvement in Process Yield

The pharmaceutical manufacturer implemented USP Class VI compliant PVDF components, eliminating product contamination issues. Batch yield improved from 96.1% to 99.81%.
$ 0 萬

Annual Cost Savings

Oil drilling platforms utilize high-performance sealing systems to reduce leakage incidents and emergency repairs, lowering annual overall maintenance costs by $2 million.
Technical Support & Service Commitments

Technical Support and Service Commitment

Technical Support

Comprehensive technical support

  • 24/7 Technical Support Hotline Service
  • On-site Application Engineer Support
  • Failure Analysis and Root Cause Investigation
  • Customized Training Courses
  • Recommendations for Material and Process Optimization
  • Long-term technical partnership

Our technical team comprises seasoned materials engineers, mechanical engineers, and application specialists with over 20 years of combined industry experience. Whether addressing urgent technical issues or executing long-term optimization projects, we deliver professional, timely, and effective support.

Service Commitments

Quality Assurance Commitment

  • ISO 9001 Quality Management System
  • 100% Product Inspection and Traceability
  • Complete Material Certification and Test Reports
  • Compliant with RoHS and REACH regulations
  • Periodic Customer Satisfaction Survey
  • Continuous Improvement and Innovation Mechanism
Quality is our core value. From raw material procurement to finished product delivery, we implement rigorous quality control at every stage. We are committed to providing high-quality products that meet or exceed industry standards, and we continuously strive for excellence.
Customer Testimonials

Customer Testimonials

Over the past three years of collaboration with your company, the reliability of our equipment has significantly improved. The performance of FFKM seals in extreme chemical environments has far exceeded expectations, and the technical team's professional support has been impeccable. This is a partner who truly understands customer needs.

Manager Li

Equipment Engineering Department A Well-Known Semiconductor Equipment Manufacturer

Facing complex chemical process challenges, they not only provided high-performance PVDF solutions but also helped us optimize the entire system design through failure analysis. Professional, responsive, and reliable—they are our most trusted technical partner.

Chief Engineer Zhang

Process Technology Center Major Petrochemical Group

From material selection to on-site installation guidance, comprehensive technical support ensured the smooth completion of our project. The machining precision and consistent quality of the PEEK components were impressive, significantly reducing our equipment commissioning time.

Director Wang

Aerospace Components Supplier Research and Development Department

Start your project immediately

Start your project now

Your equipment deserves the most advanced sealing solutions. By choosing Chengxin Seal King, you will achieve:Significantly improved yield rates, substantially reduced downtime, effectively lowered maintenance costs, and comprehensively enhanced production efficiency.Contact Chengxin's expert team immediately. Let us work together to tailor solutions that ensure your critical applications operate efficiently and reliably even in the harshest environments, propelling your innovation and productivity to new heights!

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Frequently Asked Questions

Frequently Asked Questions

If your issue remains unresolved, feel free to contact us for assistance by clicking the button below.
How to choose the most suitable material?

Material selection requires consideration of multiple factors including operating temperature, pressure, chemical media, and motion characteristics. Our application engineers will recommend the most suitable material solution based on your specific requirements, leveraging our material database and application expertise. When necessary, material compatibility testing and performance validation can be conducted to ensure the reliability of the selected materials.

How long is the delivery time?

Standard products typically ship within 3-5 business days, while custom machined parts require 7-15 business days depending on complexity. Rush orders can be expedited through our fast-track service for delivery within 48-72 hours. We understand the stringent delivery requirements of the manufacturing industry and will fully accommodate your production scheduling needs.

Do you provide sample testing?

Yes, we provide complimentary samples for customers to conduct preliminary testing and evaluation. For large-scale projects or long-term collaborations, we also support on-site trials and performance verification to ensure the product performs as expected under actual operating conditions, thereby reducing procurement risks.

Does the product come with a warranty?

All products come with a comprehensive quality guarantee, including Certificates of Conformity (COC), dimensional inspection reports, and performance test data. They comply with relevant industry standards and customer specifications. Should any losses occur due to product quality issues, we assume corresponding responsibility and provide solutions.

Can you provide technical training?
We offer a variety of technical training formats, including online courses, on-site training, and customized workshops. Content covers material properties, installation techniques, maintenance, and troubleshooting. We help your team build the right knowledge for product usage and maintenance to maximize product value.
How to handle failure issues?
We provide professional failure analysis services, identifying root causes through microscopic examination, material testing, and operational condition analysis. Based on the findings, we offer improvement recommendations that may include material replacement, design optimization, or operational condition adjustments. Our goal is to resolve issues completely and prevent recurrence.
How to choose the most suitable material?

Material selection requires consideration of multiple factors including operating temperature, pressure, chemical media, and motion characteristics. Our application engineers will recommend the most suitable material solution based on your specific requirements, leveraging our material database and application expertise. When necessary, material compatibility testing and performance validation can be conducted to ensure the reliability of the selected materials.