Are you curious about where to find the best O-ring manufacturing factories in China? With countless options available, choosing the right partner can feel overwhelming. Understanding the top players in the industry is crucial, as it can significantly impact the quality and reliability of your products. By comparing these factories, you can ensure you’re making informed decisions that lead to superior performance and cost-effectiveness. Ready to discover the leading manufacturers that can elevate your projects? Let’s dive in and explore the top O-ring factories in China together!

Top 10 O-ring Manufacturers and Suppliers in China (2024) – Hongju

Product Details: O-rings are circular cross-section sealants used to prevent leakage of liquids and gases. They are manufactured using various techniques such as injection, extrusion, and compression molding, with materials like nitrile rubber, silicone, EPDM rubber, and Fluorocarbon.

Technical Parameters:
– Standard and metric sizes
– Low minimum order quantities (MOQs)

Application Scenarios:
– Automotive industry
– Aerospace industry

Pros:
– Wide range of products
– Customization available

Cons:
– Potentially high costs for small orders
– Quality may vary by manufacturer

Custom O-ring Manufacturer and Wholesale Supplier – Hongju

Product Details: Custom O-rings and high-temperature O-ring seals manufactured by Hongju, suitable for engines, pumps, cylinders, connectors, valves, etc.

Technical Parameters:
– Material: Silicone rubber
– Hardness tolerance: ±3-5A

Application Scenarios:
– Static sealing applications
– Dynamic sealing applications

Pros:
– Inexpensive and effective sealing solution
– Wide selection of standard sizes and custom options available

Cons:
– Limited information on specific material properties
– Potential variability in manufacturing time based on order size

O-Rings, Rubber Seals – Best China Manufacturer & Supplier – Savvy

Product Details: High-Quality Rubber O-Rings manufactured by Savvy, available in various materials including NBR, FKM, and Silicone.

Technical Parameters:
– Temperature Range: -70°C to 220°C
– Standard Hardness: Shore A 60-90

Application Scenarios:
– Used in hydraulic and pneumatic transmission systems
– Sealing applications for various fluids such as air, water, and oil

Pros:
– Low manufacturing cost and convenient use
– Self-sealing effect with no need for periodic adjustment

Cons:
– Difficult to achieve zero leakage in dynamic seals
– Improper use can lead to cutting, twisting, and breaking

Top 10 Viton O-ring Manufacturers and Suppliers in China(2024)

Product Details: Viton O-Rings are synthetic rubber products designed to withstand extreme environments, high pressure, and temperatures, and are resistant to flame, chemicals, oils, and fluids.

Technical Parameters:
– High durability
– Temperature resistance

Application Scenarios:
– Automotive
– Aerospace

Pros:
– Excellent resistance to chemicals
– Customization capabilities

Cons:
– Higher cost compared to standard rubber
– Limited availability in some regions

Custom Rubber Seals & O-rings Manufacturer | Haisun Rubber

Product Details: HAISUN manufactures precision O-rings such as NBR, HNBR, AMQ, FKMT, EDPM, ACM, and CR, and supplies standard O-ring parts and O-ring kits.

Technical Parameters:
– O-ring dimension accuracy tolerance up to 0.01mm
– Rubber seals accuracy tolerance up to 0.02mm

Application Scenarios:
– Smartphones
– Automotive parts

Pros:
– High precision and quality control
– Wide range of materials and applications

Cons:
– Limited information on specific product limitations
– Potentially higher cost for custom solutions

Top 10 O-Rings Manufacturers in China – News – qlrubber.com

Product Details: O-rings manufactured by various companies in China, including custom and standard options in multiple materials.

Technical Parameters:
– Various sizes available
– Materials include silicone, Viton, EPDM, NBR, and more

Application Scenarios:
– Automotive industry
– Aerospace industry

Pros:
– Wide range of materials and sizes
– Custom production options available

Cons:
– Quality may vary by manufacturer
– Potentially longer lead times for custom orders

Top 10 O-Ring Manufacturers and Suppliers in China (2024)

Product Details: O-rings are essential components used as reliable sealants in various industries, made from materials like nitrile rubber, silicone, fluorocarbon, and EPDM rubber.

Technical Parameters:
– Temperature Range: -60°C to 200°C
– Chemical Resistance: Good to Excellent

Application Scenarios:
– Automotive, Aerospace, Medical
– Chemical Processing, HVAC

Pros:
– Versatile and reliable sealing solutions
– Customizable options available from manufacturers

Cons:
– Performance varies by material type
– Potential for wear and tear in harsh environments

Top 10 O-Ring Manufacturers and Suppliers in China (2024)

Product Details: O-rings are circular cross-section sealants used in various industries, including automotive and aerospace, to prevent leakage of liquids or gases.

Technical Parameters:
– Common materials include NBR, FKM, Silicone, EPDM, and HNBR.
– Temperature range typically from -60°C to +260°C.

Application Scenarios:
– Used in static and dynamic sealing applications.
– Applicable in automotive and chemical industries.

Pros:
– Versatile and customizable for specific needs.
– Effective sealing capability for various applications.

Cons:
– Minimum order quantities may vary by manufacturer.
– Quality can depend on the manufacturer and materials used.

China O-Rings, X-Rings, Back Up Rings Suppliers and Manufacturers …

China O-ring Assortments Manufacturers, OEM/ODM Factory

Product Details: O-ring assortments and various hardware products including grommet tools, tap reseating tools, and furniture pads.

Technical Parameters:
– Various sizes available
– Material options include rubber and plastic

Application Scenarios:
– Used in plumbing repairs
– Applicable for DIY projects and machine repairs

Pros:
– Wide range of products available
– Customizable options for different needs

Cons:
– Limited information on specific product specifications
– Potential quality variations depending on manufacturing

Related Video

Comparison Table

Company	Product Details	Pros	Cons	Website
Top 10 O-ring Manufacturers and Suppliers in China (2024) – Hongju	O-rings are circular cross-section sealants used to prevent leakage of liquids and gases. They are manufactured using various techniques such as injec…	– Wide range of products – Customization available	– Potentially high costs for small orders – Quality may vary by manufacturer	hongjusilicone.com
Custom O-ring Manufacturer and Wholesale Supplier – Hongju	Custom O-rings and high-temperature O-ring seals manufactured by Hongju, suitable for engines, pumps, cylinders, connectors, valves, etc.	– Inexpensive and effective sealing solution – Wide selection of standard sizes and custom options available	– Limited information on specific material properties – Potential variability in manufacturing time based on order size	hongjusilicone.com
O-Rings, Rubber Seals – Best China Manufacturer & Supplier – Savvy	High-Quality Rubber O-Rings manufactured by Savvy, available in various materials including NBR, FKM, and Silicone.	– Low manufacturing cost and convenient use – Self-sealing effect with no need for periodic adjustment	– Difficult to achieve zero leakage in dynamic seals – Improper use can lead to cutting, twisting, and breaking	savvyrubber.com
Top 10 Viton O-ring Manufacturers and Suppliers in China(2024)	Viton O-Rings are synthetic rubber products designed to withstand extreme environments, high pressure, and temperatures, and are resistant to flame, c…	– Excellent resistance to chemicals – Customization capabilities	– Higher cost compared to standard rubber – Limited availability in some regions	hongjusilicone.com
Custom Rubber Seals & O-rings Manufacturer	Haisun Rubber	HAISUN manufactures precision O-rings such as NBR, HNBR, AMQ, FKMT, EDPM, ACM, and CR, and supplies standard O-ring parts and O-ring kits.	– High precision and quality control – Wide range of materials and applications	– Limited information on specific product limitations – Potentially higher cost for custom solutions
Top 10 O-Rings Manufacturers in China – News – qlrubber.com	O-rings manufactured by various companies in China, including custom and standard options in multiple materials.	– Wide range of materials and sizes – Custom production options available	– Quality may vary by manufacturer – Potentially longer lead times for custom orders	www.qlrubber.com
Top 10 O-Ring Manufacturers and Suppliers in China (2024)	O-rings are essential components used as reliable sealants in various industries, made from materials like nitrile rubber, silicone, fluorocarbon, and…	– Versatile and reliable sealing solutions – Customizable options available from manufacturers	– Performance varies by material type – Potential for wear and tear in harsh environments	www.rubber-tools.com
Top 10 O-Ring Manufacturers and Suppliers in China (2024)	O-rings are circular cross-section sealants used in various industries, including automotive and aerospace, to prevent leakage of liquids or gases.	– Versatile and customizable for specific needs. – Effective sealing capability for various applications.	– Minimum order quantities may vary by manufacturer. – Quality can depend on the manufacturer and materials used.	www.rubber-tools.com
China O-Rings, X-Rings, Back Up Rings Suppliers and Manufacturers …				www.sealsmanufacturer.com
China O-ring Assortments Manufacturers, OEM/ODM Factory	O-ring assortments and various hardware products including grommet tools, tap reseating tools, and furniture pads.	– Wide range of products available – Customizable options for different needs	– Limited information on specific product specifications – Potential quality variations depending on manufacturing	www.cxyouchuang.com

Frequently Asked Questions (FAQs)

What types of o-rings can I find in Chinese manufacturing factories?

You can find a wide variety of o-rings in Chinese manufacturing factories, including standard sizes, custom designs, and different materials like rubber, silicone, and fluorocarbon. These factories often cater to various industries, ensuring you can get the specific type you need for your application.

How do I ensure quality when sourcing o-rings from China?

To ensure quality, consider working with reputable manufacturers that have certifications like ISO 9001. Request samples before placing large orders, and consider third-party inspections to verify the quality of the products. Clear communication about your specifications is also crucial.

What is the typical lead time for o-ring manufacturing in China?

The lead time for o-ring manufacturing can vary based on the complexity of the order and the factory’s workload. Generally, you can expect a lead time of 2 to 4 weeks for standard orders, while custom designs may take longer. Always confirm with the manufacturer for accurate timelines.

Are there minimum order quantities (MOQs) for o-rings?

Yes, many Chinese manufacturers have minimum order quantities (MOQs) for o-rings, which can range from a few hundred to several thousand pieces, depending on the factory and the type of o-ring. It’s best to discuss your needs directly with the manufacturer to find a suitable arrangement.

What are the shipping options for o-rings from China?

You have several shipping options when sourcing o-rings from China, including air freight for faster delivery and sea freight for cost-effective shipping. The choice depends on your budget and urgency. Make sure to discuss shipping terms with your supplier to find the best solution for your needs.