Are you in the market for custom O-rings and feeling overwhelmed by the options? You’re not alone! With countless manufacturers in China, finding the right factory can make all the difference in quality and cost. By comparing the top custom O-ring manufacturers, you can ensure that you choose a partner who meets your specific needs and standards. Imagine the peace of mind that comes with knowing you’ve selected the best option for your project. Ready to simplify your search and discover the leading manufacturers? Let’s dive in and explore the top contenders together!

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 accurate 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

Custom O-ring Manufacturer and Wholesale Supplier – Hongju

Product Details: Custom silicone rubber O-rings and high-temperature O-ring seals for engines, pumps, cylinders, connectors, valves, etc.

Technical Parameters:
– Hardness tolerance: plus or minus 3-5A
– Dimensions and tolerances follow ISO3601 standards

Application Scenarios:
– Sealing for engines and pumps
– Static and dynamic applications

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

Cons:
– Limited information on specific material properties
– Potential variability in shipping times

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

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:
– Available in standard and metric sizes
– Customizable materials including silicone, EPDM, NBR, and Viton

Application Scenarios:
– Automotive industry for power steering gears
– Aerospace and medical equipment for sealing applications

Pros:
– Wide range of products and materials
– Customization options available for specific needs

Cons:
– Potentially high minimum order quantities for some manufacturers
– Quality may vary between different manufacturers

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 o rings wholesale services.

Technical Parameters:
– Various international O-Ring standards available
– Custom options: design, color, packaging, logo

Application Scenarios:
– Automotive industry
– Hydraulic & Pneumatic applications

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

Cons:
– Limited specific technical parameters provided
– Generic information on applications

Rubber Seal Productions, OEM Rubber Parts|Tianjin King Seal

Product Details: Rubber Seal Productions, OEM Rubber Parts from Tianjin King Seal Technology Co., Ltd.

Technical Parameters:
– Material: NBR, FKM, Silicone, EPDM, HNBR, PU, SR
– Available sizes: Various standard and custom sizes

Application Scenarios:
– Automotive sealing applications
– Industrial machinery and equipment

Pros:
– High-quality materials for durability
– Custom design and production capabilities

Cons:
– Not the lowest price in the market
– Limited information on specific product dimensions

Rubber Seals, Custom Rubber & Plastic Parts Manufacturer

Product Details: Professional Rubber Seals, O-Rings, Oil Seals, Custom Rubber Parts Manufacturer in China

Technical Parameters:
– Rich Industrial Manufacturing & Export Experience
– More than 20,000 Molds for Fast Delivery

Application Scenarios:
– Semiconductor, Solar, LCD
– Food, Water, Life Sciences

Pros:
– High-quality products with 100% customer satisfaction
– Fast delivery and massive production capacity

Cons:
– Limited information on specific product dimensions
– No detailed pricing information provided

Professional Manufacturer of Sealing Solutions – YOSON

Product Details: Yoson Seals offers a wide variety of industrial seals including FFKM O Rings, Spring Energized Seals, and custom-designed seals for various applications.

Technical Parameters:
– High chemical resistance
– Temperature resistance

Application Scenarios:
– Oil and Gas Industry
– Food and Pharmaceutical Industry

Pros:
– Custom design available for specific requirements
– Wide range of materials to choose from

Cons:
– Lead time for mass production can vary
– Potentially higher costs for custom designs

Custom O Ring Manufacturing in China with Quick Tooling Development and …

Product Details: Custom O Ring manufacture in China with various materials and hardness for different applications.

Technical Parameters:
– Material options: FKM, HNBR, Silicone, Teflon, FVMQ, EPDM, FFKM, Neoprene, PPS,…
– Temperature range: -60°C to +325°C depending on material.

Application Scenarios:
– HVAC systems with EPDM and HNBR O Rings.
– Fuel line systems with FKM Viton and FVMQ O Rings.

Pros:
– Better sealing performance with X Rings and Y Rings due to multiple sealing surf…
– Wide range of existing sizes and cost-effective O Rings.

Cons:
– High demands on rubber seals in extreme conditions.
– Potential for thermal expansion affecting interference fit.

Custom Rubber Seal O-Ring Manufacturers, Suppliers, Factory

Product Details: Rubber O-ring seals suitable for various mechanical equipment, providing sealing in static or moving states under specified conditions.

Technical Parameters:
– Temperature range: -60 ℃ to 220 ℃
– Pressure: up to 1500 Kg/cm2 with reinforcing ring

Application Scenarios:
– Sanitary ware
– Automobiles

Pros:
– High sealing efficiency and versatility
– Cost-effective and easy to install

Cons:
– Limited to low-speed rotary sealing devices
– May require specific material selection for certain applications

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Comparison Table

Company	Product Details	Pros	Cons	Website
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
Custom O-ring Manufacturer and Wholesale Supplier – Hongju	Custom silicone rubber O-rings and high-temperature O-ring seals for engines, pumps, cylinders, connectors, valves, etc.	– High-quality materials and precision molds – Fast tooling and manufacturing time	– Limited information on specific material properties – Potential variability in shipping times	hongjusilicone.com
O-Rings, Rubber Seals – Best China Manufacturer & Supplier – Savvy				savvyrubber.com
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 and materials – Customization options available for specific needs	– Potentially high minimum order quantities for some manufacturers – Quality may vary between different manufacturers	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 o rings wholesale services.	– Affordable factory direct pricing – One-stop O rings OEM/ODM solution	– Limited specific technical parameters provided – Generic information on applications
Rubber Seal Productions, OEM Rubber Parts	Tianjin King Seal	Rubber Seal Productions, OEM Rubber Parts from Tianjin King Seal Technology Co., Ltd.	– High-quality materials for durability – Custom design and production capabilities	– Not the lowest price in the market – Limited information on specific product dimensions
Rubber Seals, Custom Rubber & Plastic Parts Manufacturer	Professional Rubber Seals, O-Rings, Oil Seals, Custom Rubber Parts Manufacturer in China	– High-quality products with 100% customer satisfaction – Fast delivery and massive production capacity	– Limited information on specific product dimensions – No detailed pricing information provided	savvyrubber.com
Professional Manufacturer of Sealing Solutions – YOSON	Yoson Seals offers a wide variety of industrial seals including FFKM O Rings, Spring Energized Seals, and custom-designed seals for various applicatio…	– Custom design available for specific requirements – Wide range of materials to choose from	– Lead time for mass production can vary – Potentially higher costs for custom designs	www.yosonseals.com
Custom O Ring Manufacturing in China with Quick Tooling Development and …	Custom O Ring manufacture in China with various materials and hardness for different applications.	– Better sealing performance with X Rings and Y Rings due to multiple sealing surf… – Wide range of existing sizes and cost-effective O Rings.	– High demands on rubber seals in extreme conditions. – Potential for thermal expansion affecting interference fit.	rubberproducer.com
Custom Rubber Seal O-Ring Manufacturers, Suppliers, Factory	Rubber O-ring seals suitable for various mechanical equipment, providing sealing in static or moving states under specified conditions.	– High sealing efficiency and versatility – Cost-effective and easy to install	– Limited to low-speed rotary sealing devices – May require specific material selection for certain applications	www.chinarubberseal.com

Frequently Asked Questions (FAQs)

What are custom O-ring manufacturers in China?

Custom O-ring manufacturers in China specialize in producing O-rings tailored to specific requirements, including size, material, and design. They cater to various industries, ensuring that the O-rings meet the necessary standards for performance and durability.

How do I choose the right manufacturer for my O-rings?

To choose the right manufacturer, consider their experience, production capabilities, quality control processes, and customer reviews. It’s also helpful to request samples and communicate your specific needs to ensure they can meet your expectations.

What materials are commonly used for O-rings?

Common materials for O-rings include rubber compounds like Nitrile, Silicone, and Viton, as well as thermoplastics. The choice of material depends on the application, temperature range, and chemical exposure, so it’s essential to discuss your requirements with the manufacturer.

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

Lead times for custom O-ring orders can vary based on complexity and quantity, but they generally range from a few weeks to a couple of months. It’s best to communicate your timeline with the manufacturer to ensure they can meet your deadlines.

Can I get a prototype before placing a large order?

Yes, most custom O-ring manufacturers offer prototyping services. This allows you to test the design and material before committing to a larger order, ensuring that the final product meets your specifications and quality standards.