Are you in the market for high-quality rubber O-rings but feeling overwhelmed by the options? With countless factories in China, finding the right supplier can be a daunting task. Understanding the top manufacturers not only saves you time but also ensures you get the best value for your investment. Imagine having access to reliable suppliers who deliver exceptional products consistently. Ready to simplify your search and make informed decisions? Dive into our comprehensive comparison of the leading rubber O-ring factories in China and discover the best options for your needs!

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.
– Suitable for sealing 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.

O Ring Wholesale, Wholesale Rubber O Rings – Shenzhou City Sanshi …

Product Details: Rubber O Rings are sealing elements with a circular or toroidal section, widely used as rubber seal gaskets.

Technical Parameters:
– Available in various sizes and materials including NBR, FKM, Silicon/MVQ, EPDM,…
– Can withstand high and low pressures.

Application Scenarios:
– Used to seal liquids or gases in various industrial applications.
– Commonly found in automotive, aerospace, and manufacturing sectors.

Pros:
– Versatile and effective in sealing applications.
– Available in custom sizes and colors.

Cons:
– May require specific groove designs for optimal performance.
– Limited lifespan under extreme conditions.

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

Rubber O-Rings Manufacturers, Custom Bulk Sealing Rings Factory

Product Details: Rubber O-Rings and Sealing Rings manufactured by Cixi Changhe xinqide seal factory, available in various materials including Nitrile, Ethylene Propylene, Neoprene, Silicone, and Viton.

Technical Parameters:
– Customizable sizes and shapes
– Compliant with international standards

Application Scenarios:
– Used in machinery and equipment
– Applicable in household appliances and medical devices

Pros:
– High durability and resistance to wear and temperature
– Custom made according to customer needs

Cons:
– Limited information on specific material properties
– Potential for variability in quality based on manufacturing process

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, following ISO3601 standards

Application Scenarios:
– Static and dynamic sealing applications
– Used in various machinery and products requiring resistance to water, oil, and h…

Pros:
– High-quality materials and precision molds
– Fast tooling and manufacturing time

Cons:
– Limited information on specific material types
– Potential variability in shipping times based on location

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
– Generic product descriptions

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:
– Standard and metric sizes
– Various materials including nitrile rubber, silicone, EPDM, and Viton

Application Scenarios:
– Static and dynamic applications
– Automotive, aerospace, and industrial uses

Pros:
– Wide range of products
– Customization available

Cons:
– Minimum order quantities may apply
– Quality may vary by manufacturer

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Comparison Table

Company	Product Details	Pros	Cons	Website
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
O Ring Wholesale, Wholesale Rubber O Rings – Shenzhou City Sanshi …	Rubber O Rings are sealing elements with a circular or toroidal section, widely used as rubber seal gaskets.	– Versatile and effective in sealing applications. – Available in custom sizes and colors.	– May require specific groove designs for optimal performance. – Limited lifespan under extreme conditions.	www.chinarubberseals.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
Rubber O-Rings Manufacturers, Custom Bulk Sealing Rings Factory	Rubber O-Rings and Sealing Rings manufactured by Cixi Changhe xinqide seal factory, available in various materials including Nitrile, Ethylene Propyle…	– High durability and resistance to wear and temperature – Custom made according to customer needs	– Limited information on specific material properties – Potential for variability in quality based on manufacturing process	www.o-ringfactory.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.	– High-quality materials and precision molds – Fast tooling and manufacturing time	– Limited information on specific material types – Potential variability in shipping times based on location	hongjusilicone.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 – Generic product descriptions
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 – Customization available	– Minimum order quantities may apply – Quality may vary by manufacturer	hongjusilicone.com

Frequently Asked Questions (FAQs)

What are rubber O-rings used for?

Rubber O-rings are versatile sealing components used in various applications, including automotive, aerospace, plumbing, and industrial machinery. They create a tight seal between two surfaces, preventing leaks of fluids or gases, and are essential for ensuring the efficiency and safety of many systems.

How do I choose the right rubber O-ring for my project?

To choose the right O-ring, consider factors like the material, size, and application environment. Common materials include nitrile, silicone, and fluorocarbon, each suited for different temperatures and chemicals. Measure the groove dimensions accurately to ensure a proper fit.

What is the typical lead time for bulk orders of rubber O-rings from China?

Lead times can vary based on the factory and order size, but typically, you can expect around 2 to 4 weeks for production and shipping. It’s best to communicate with the factory for specific timelines and any potential delays.

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

Yes, most factories in China have minimum order quantities, which can range from a few hundred to several thousand pieces, depending on the manufacturer. Always check with the supplier to understand their specific MOQs and pricing structures.

How can I ensure the quality of rubber O-rings from a factory?

To ensure quality, request samples before placing a bulk order and check for certifications like ISO. Additionally, consider visiting the factory or hiring a third-party inspection service to verify the manufacturing processes and materials used.