Mingxing Ceramics is a well-known Ceramic Seal Ring manufacturer, supplier, and exporter in China. We manufacture Ceramic Seals using high-quality raw material to ensure durability and high competence. 

Mingxing Ceramics offers a complete material portfolio of ceramic materials including alumina ceramic, steatite ceramic, zirconia ceramic for extreme corrosion, abrasive and wears environments. Mingxing Ceramics team has great experience in the Ceramic Seal Ring Industry.

Our expertise ranges from ceramic seals for pumps to the ceramic mechanical seal. With the help of our professionals, we have been able to offer our clients a broad array of Ceramic Seal Rings. Available in various dimensions, these rings can also be customized as per the requirements of clients. 

Recognized for high resilience, abrasion resistance, good impact resistance, and high durability, this Ceramic Seal Rings is highly cherished by our clients. We provide you the best range of industrial seals including ceramic mechanical seal and ceramic seals for pumps, and many more items with effective & timely delivery. 

Ceramic Seal Ring Specifications


95% Alumina ceramics

99% Alumina ceramics

SiC Ceramics





Machining accuracy




Surface roughness

Ra 0.2

Ra 0.2

Ra 0.2


wear-resisting alkali-resisting

Wear resistance, acid and alkali resistance

Wear resistance and acid resistance


ceramic mechanical seal and ceramic seals for pumps

ceramic mechanical seal and ceramic seals for pumps

ceramic mechanical seal and ceramic seals for pumps

Advantages of Ceramic Seal Ring

● High wear resistance
● High corrosion resistance
● High-temperature resistance
● Dimensional stability and aging resistance
● Excellent sliding properties (tribology)
● Biocompatibility (for use in hygiene and the food and beverage industry)
Electrical seal systems: The highest performance electrical seal systems employ Ceramic Seal Ring for its exceptional resistance to thermal and mechanical shock, as well as corrosion. 

● Medical implant devices: exceptional corrosion resistance and biocompatibility are required by medical implant devices. Ceramic Seal Ring plays a critical role in implantable electronic devices. Researchers and doctors have created a wide array of implantable electronic devices including defibrillators, cochlear implants, and neurostimulators. Feedthroughs for implanted devices must be hermetic, with a leak-tight ceramic seal ring around each pin. 

● Aerospace applications: high resistance to thermal and mechanical shock is necessary for many aerospace applications. Alumina ceramic components are ideally suited for aerospace applications, due to their ability to withstand the high temperatures, vibration and mechanical shock typically found in aircraft engines and other high-stress locations. Ceramic Seal Ring is commonly found in seals for gas turbine engine thermocouples, fuel line assemblies, and fire detection system terminations.

● Automotive and vehicle engineering: Ceramic pump Seal have excellent wear resistance, dimensional stability and a reduction in moving mass increase performance of the vehicle while simultaneously decreasing noise emission levels and extending the service life of all types of pumps in vehicles. For instance in coolant pumps, electronic fuel pumps and high-pressure pumps for diesel engines all have Ceramic Seal Ring.

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  • Ceramic sealing ring is widely used in all aspects of our life. Because of its high-performance electrical sealing system adopts ceramic sealing ring, it has excellent heat resistance, mechanical shock and corrosion performance. It is often used in electrical sealing system, and because of its excellent corrosion resistance and biological Compatibility is commonly used in medical implant devices such as fibrillators, cochlear implants and neurostimulators. The excellent resistance to high temperature, vibration and mechanical shock is often used in aerospace such as aircraft engines, fire detection systems, etc.




The main products of Mingxing Ceramic include ceramic seal ring, ceramic shaft, alumina ceramic rod and discs, steatite ceramic insulator, etc. 


  Zhangjia Village, Shangtian Town, Fenghua, Ningbo, China.


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