Are you in the market for high-quality O-ring seals and feeling overwhelmed by the options? You’re not alone! With countless factories in China, finding the right one can be a daunting task. Understanding the top manufacturers is crucial, as it can significantly impact your project’s success. By comparing these factories, you can ensure you choose a reliable partner that meets your quality and budget needs. Ready to simplify your search and discover the best options available? Dive into our comprehensive comparison and make an informed decision today!

Xiamen Xlong Seal Co.,Ltd 厦门旭隆密封件有限公司

Product Details: O-rings, Rubber strip, molded parts, Spring seals designer and manufacturer

Technical Parameters:
– Various sizes and materials available
– High temperature resistance up to 300℃

Application Scenarios:
– Fluid Power
– Auto Parts
– Oil and Gas
– Food Beverage Pharmaceutical and Medical
– Hydraulic System

Pros:
– High quality elastomer seals
– Customizable products

Cons:
– Limited information on specific product dimensions
– Potentially high minimum order quantities

Top 10 O-ring Manufacturers and Suppliers in China 2023 – Hongju

Product Details: O-rings are circular cross-section sealants used to prevent leakage of liquids and gases. They are manufactured using various techniques and materials.

Technical Parameters:
– Available in standard and metric sizes
– Made from materials like nitrile rubber, silicone, EPDM, and Fluorocarbon (Viton…

Application Scenarios:
– Used in automotive, aerospace, and industrial applications
– Suitable for both static and dynamic applications

Pros:
– Wide range of products and customization options
– Good customer service and fast delivery

Cons:
– Minimum order quantities may apply for some manufacturers
– Quality may vary between different manufacturers

FKM O Rings, China NBR O Ring supplier

Product Details: Quality FKM O Rings & NBR O Ring factory from Dongguan Ruichen Sealing Co., Ltd.

Technical Parameters:
– Material: NBR / Nitrile Rubber
– Hardness: 70±5 Shore

Application Scenarios:
– Used in hydraulic and pneumatic systems to prevent leaks
– Applicable in automotive, aerospace, oil and gas, and medical industries

Pros:
– Versatile sealing solution with a wide range of materials
– Easy installation and replacement

Cons:
– Requires regular inspection for wear and damage
– Performance may vary based on material choice

China O Rings Manufacturers and Suppliers – SWKS Seal

Product Details: O Rings manufactured by Tianjin SWKS Technology & Development Co., Ltd, available in various materials including NBR, FKM, EPDM, and silicone.

Technical Parameters:
– Size: As Custom Drawing or Sample
– Material: PU, Silicone Rubber, VMQ, NBR, EPDM, FKM, Nitrile Rubber

Application Scenarios:
– Used in automotive applications for sealing
– Applicable in hydraulic and pneumatic systems

Pros:
– Customizable sizes and materials
– Competitive pricing and over 10 years of manufacturing experience

Cons:
– Limited information on specific performance metrics
– Potential variability in quality depending on material selection

China O-Ring Kits Suppliers – NNK Oil Seal

Product Details: NNK O-Ring Kits are high performance and customized O-Rings, machine tested for quality assurance.

Technical Parameters:
– Material: Nitrile (NBR), Fluorine rubber (FKM), Silicone (SIL), EPDM, Hydrogenat…
– Types: O-rings for stationary seals, reciprocating seals, and rotary seals

Application Scenarios:
– Machine tools
– Automobiles

Pros:
– Self-sealing effect with strong sealing capabilities
– Compact installation and lightweight structure

Cons:
– Limited to specific temperature ranges based on rubber material
– Potential for wear over time in dynamic applications

Perfluoroelastomer FFKM O ring Manufacturer – JST-Seals

Product Details: Perfluoroelastomer FFKM O ring Manufacturer – KALFLUO® 1680 with excellent resistance to chemical corrosion and a maximum operating temperature of 230 °C.

Technical Parameters:
– Hardness: Shore A 78
– Tensile strength: 15.9 MPa

Application Scenarios:
– Mechanical seal
– Pump

Pros:
– Excellent chemical resistance
– High-temperature tolerance

Cons:
– Limited size options
– Potentially higher cost compared to standard materials

O-Ring Seals

Product Details: O-Rings are sealing elements used in various industries including aerospace, automotive, and general engineering. They are available in standard and custom sizes, made from materials like EPDM, FKM, NBR, HNBR, and FFKM.

Technical Parameters:
– Available in metric and inch sizes
– Made from various elastomeric materials

Application Scenarios:
– Used as sealing elements in hydraulic systems
– Used in wipers and other sealing applications

Pros:
– Cost-effective production methods
– Ease of use and versatility in applications

Cons:
– Limited to specific pressure and temperature ranges
– May require specific material selection for certain applications

Xiamen Seals Technology Co.,Ltd: China O-Rings, X-Rings, Back …

Product Details: O-Rings, X-Rings, Back Up Rings, NBR O-Rings, Encapsulated O-Rings, Custom Rubber Parts, O Ring Kits

Technical Parameters:
– Material: NBR, EPDM, Silicone, FKM
– Sizes: Standard and Metric

Application Scenarios:
– Automotive industry
– Medical equipment

Pros:
– High-quality molded rubber products
– Wide range of applications

Cons:
– Limited information on specific product performance
– Potential variations in material quality

O Rings Manufacturer | O Rings Supplier – Hongjie Rubber Seal

Product Details: Wholesale O Rings in Bulk from Hongjie, a professional O rings manufacturer in China since 2000, offering custom options and factory direct prices.

Technical Parameters:
– Various international O-Ring standards available
– Certificated compounds to meet specific market requirements

Application Scenarios:
– Automotive industry
– Hydraulic and pneumatic applications

Pros:
– One-stop O rings OEM/ODM solution
– Affordable factory direct pricing

Cons:
– Limited information on specific sizes and materials
– Potential variability in quality based on supplier

Stainless O Ring Manufacturer in China – HM

Product Details: Stainless steel O rings manufactured by HM, designed for durability and reliability in various applications.

Technical Parameters:
– Corrosion-resistant material
– High temperature and pressure resistance

Application Scenarios:
– Automotive engines
– Hydraulic and pneumatic systems

Pros:
– Exceptional durability and long-lasting performance
– Customizable to meet specific requirements

Cons:
– May require specific handling to avoid deformation
– Higher cost compared to rubber O rings

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Comparison Table

Company	Product Details	Pros	Cons	Website
Xiamen Xlong Seal Co.,Ltd 厦门旭隆密封件有限公司	O-rings, Rubber strip, molded parts, Spring seals designer and manufacturer	– High quality elastomer seals – Customizable products	– Limited information on specific product dimensions – Potentially high minimum order quantities	www.oring-seal.com
Top 10 O-ring Manufacturers and Suppliers in China 2023 – Hongju	O-rings are circular cross-section sealants used to prevent leakage of liquids and gases. They are manufactured using various techniques and materials…	– Wide range of products and customization options – Good customer service and fast delivery	– Minimum order quantities may apply for some manufacturers – Quality may vary between different manufacturers	hongjusilicone.com
FKM O Rings, China NBR O Ring supplier	Quality FKM O Rings & NBR O Ring factory from Dongguan Ruichen Sealing Co., Ltd.	– Versatile sealing solution with a wide range of materials – Easy installation and replacement	– Requires regular inspection for wear and damage – Performance may vary based on material choice	www.o-ringsseals.com
China O Rings Manufacturers and Suppliers – SWKS Seal	O Rings manufactured by Tianjin SWKS Technology & Development Co., Ltd, available in various materials including NBR, FKM, EPDM, and silicone.	– Customizable sizes and materials – Competitive pricing and over 10 years of manufacturing experience	– Limited information on specific performance metrics – Potential variability in quality depending on material selection	www.svks-rubberseal.com
China O-Ring Kits Suppliers – NNK Oil Seal	NNK O-Ring Kits are high performance and customized O-Rings, machine tested for quality assurance.	– Self-sealing effect with strong sealing capabilities – Compact installation and lightweight structure	– Limited to specific temperature ranges based on rubber material – Potential for wear over time in dynamic applications	www.nokcn-seals.com
Perfluoroelastomer FFKM O ring Manufacturer – JST-Seals	Perfluoroelastomer FFKM O ring Manufacturer – KALFLUO® 1680 with excellent resistance to chemical corrosion and a maximum operating temperature of 230…	– Excellent chemical resistance – High-temperature tolerance	– Limited size options – Potentially higher cost compared to standard materials	www.jst-seals.com
O-Ring Seals	O-Rings are sealing elements used in various industries including aerospace, automotive, and general engineering. They are available in standard and c…	– Cost-effective production methods – Ease of use and versatility in applications	– Limited to specific pressure and temperature ranges – May require specific material selection for certain applications	www.ymsealing.com
Xiamen Seals Technology Co.,Ltd: China O-Rings, X-Rings, Back …	O-Rings, X-Rings, Back Up Rings, NBR O-Rings, Encapsulated O-Rings, Custom Rubber Parts, O Ring Kits	– High-quality molded rubber products – Wide range of applications	– Limited information on specific product performance – Potential variations in material quality	www.sealsmanufacturer.com
O Rings Manufacturer	O Rings Supplier – Hongjie Rubber Seal	Wholesale O Rings in Bulk from Hongjie, a professional O rings manufacturer in China since 2000, offering custom options and factory direct prices.	– One-stop O rings OEM/ODM solution – Affordable factory direct pricing	– Limited information on specific sizes and materials – Potential variability in quality based on supplier
Stainless O Ring Manufacturer in China – HM	Stainless steel O rings manufactured by HM, designed for durability and reliability in various applications.	– Exceptional durability and long-lasting performance – Customizable to meet specific requirements	– May require specific handling to avoid deformation – Higher cost compared to rubber O rings	hmaking.com

Frequently Asked Questions (FAQs)

What are O-ring seals used for?

O-ring seals are versatile components used to create a tight seal between two surfaces, preventing the leakage of fluids or gases. They are commonly found in various industries, including automotive, aerospace, and manufacturing, ensuring the reliability and efficiency of machinery and equipment.

How do I choose the right O-ring material?

Choosing the right O-ring material depends on factors like temperature, pressure, and the type of fluid or gas it will encounter. Common materials include rubber, silicone, and fluorocarbon, each offering different properties. It’s essential to consult with your supplier to find the best fit for your specific application.

What is the typical lead time for O-ring orders?

Lead times for O-ring orders can vary based on factors like order size and customization. Generally, standard O-rings can be shipped within a week, while custom orders may take longer, often ranging from two to four weeks. Always check with your factory for the most accurate timelines.

Can I get custom O-ring sizes from factories in China?

Yes, many factories in China offer custom O-ring sizes to meet your specific needs. You can provide your dimensions and material requirements, and they will manufacture O-rings tailored to your specifications. This flexibility helps ensure you get the perfect fit for your application.

What quality standards do O-ring factories in China follow?

O-ring factories in China often adhere to international quality standards such as ISO 9001. Many also implement rigorous quality control processes to ensure their products meet industry specifications. It’s a good idea to ask about certifications and quality assurance practices when selecting a supplier.