Cheng Hsin Seal King - The Perfect Solution Kit for Marine Seal Designs
Have you encountered the three major pain points of marine sealing problems...?
Let Xin Seal King help you to solve the problem at root!
The 3 Major Advantages of Chengxin Sealing King
Cheng Hsin Seal King provides precision sealing solutions covering a wide range of marine applications. Whether facing high pressures, high temperatures or corrosive media, our seals provide long-lasting and reliable performance and are backed by complete technical support and application consulting.
International Standards
Our products are designed, manufactured and performed to the highest international standards, providing the highest levels of reliability and safety for your vessels. Keeping your fleet moving around the world and complying with local regulations.
Expertise
In the face of extreme sea conditions and high cost of stoppage, with over 20 years of professional experience, Cheng Hsin is able to accurately diagnose all kinds of complex ship sealing challenges. To protect your navigation safety and operation efficiency.
Rapid delivery
We know that time is money, and with a sound warehousing network and efficient logistics management, we can quickly respond to your emergency needs and significantly reduce downtime. We can deliver high-quality seals in the shortest possible time to ensure that your voyage is worry-free.
Complete Sealing Components Product Line Coverage
O-Rings and Gaskets
We provide O-rings, gaskets, washers and other basic sealing components in various sizes and materials for flange connections, pipe joints and other applications.
Mechanical Seals
Mechanical seals specially designed for pumps, compressors and other rotating equipment to ensure long-term stable operation.
Hydraulic Sealing System
Includes piston seals, rod seals, dust rings and other special seals for hydraulic systems, which are high pressure and wear-resistant.
Valve Sealing Components
It is suitable for all kinds of marine valve seals, packings, valve seats and other key parts to ensure reliable valve sealing.
Application Scene Overview
Main and Auxiliary Systems
- Main engine cylinder liner seal
- Booster Seal Assembly
- Generator Sealing System
- Air Compressor Seal Parts
Hydraulic and piping systems
- Servo Hydraulic System
- Palletizer Seals
- Pipe Flange Gasket
- Quick Connect Seal
Deck and Cabin Equipment
- Hatch Cover Seal
- Door & Window Seal
- Cargo Compartment Sealing System
- Ventilation Duct Sealing
We can provide timely and professional products and services for both newbuilding vessels and replacement of spare parts for operating vessels. We have sufficient stock of products, and we can deliver the common specifications immediately, and special specifications can be customized and produced in the shortest possible time.
Versatile material selection
| Seal Material | Market Share by Application (%) |
|---|---|
| NBR Nitrile Rubber | 35 |
| FKM Fluoroelastomer | 28 |
| EPDM EPDM | 18 |
| PTFE Teflon | 12 |
| Other special materials | 7 |
Success Stories
After replacing with mid-daylight high-performance seals, the frequency of main engine maintenance for our fleet has been reduced significantly, saving more than 30% in annual maintenance cost, and the professional support from the technical team has also made us very satisfied.

International Shipping Company
The quality of the sealing parts supplied by Xin is stable and reliable, and the delivery is on time and in full compliance with the requirements of classification societies. They are our long-term partner in new shipbuilding projects.

Large shipyards
From O-rings to mechanical seals, the product line of Cheng Hsin is very complete, allowing us to make one-stop purchase. Their technicians also assisted us in solving a number of difficult sealing problems.

Ship Repairing Plant
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: