Are you in the market for custom O-ring seals and feeling overwhelmed by the options? You’re not alone! With countless factories in China, finding the right partner can be a daunting task. Understanding the top manufacturers is crucial, as it can significantly impact the quality and reliability of your products. Imagine having access to the best options that not only meet your specifications but also enhance your overall production efficiency. Ready to simplify your search? Dive into our comprehensive comparison of the leading custom O-ring seal factories in China and discover the perfect fit for your needs!

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
– Medical devices

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

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

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, Silicone, and more.

Technical Parameters:
– Temperature Range: -70°C to 220°C
– Standard Hardness: Shore A 60 to 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
– Can be prone to cutting, twisting, and breaking if used improperly

Custom Rubber Seals & O-Rings Manufacturer | HAISUN Rubber

Product Details: High-precision O-rings manufactured by Cixi Haisheng Rubber Products Co., Ltd. (HAISUN).

Technical Parameters:
– Registered capital: 15 million
– O-ring tolerance: ±0.01 mm

Application Scenarios:
– Smartphones
– Automotive parts

Pros:
– High production capacity: 50 million O-rings per day
– Customized products according to specific standards

Cons:
– Limited information on specific material properties
– Potential dependency on specific industries

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 Oil and Gas Seals, designed for various applications and environments.

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 suit different applications

Cons:
– Lead time for mass production can vary
– Customization may require additional time for prototyping

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 products requiring resistance to water, oil, and high temperatur…

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

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

Custom O-Rings, Custom Molded O-Ring China Manufacturer – Savvy

Product Details: Custom O-Rings are specialized rubber seals designed to meet specific requirements when standard sizes are not available. They can be produced in various cross-sections and shapes.

Technical Parameters:
– Materials: NBR, HNBR, FKM/Viton, Silicone, EPDM, PTFE, FFKM
– Hardness: Shore A 60-90, Color: Black, Brown, Red, Transparent

Application Scenarios:
– Hydraulics & Pneumatic
– Oil and Gas
– Semiconductor Processing
– Aerospace
– Food Processing
– Water Filtration
– Electronic Products
– Machinery Fabrications
– Plastic Sealing
– Automotive
– Medical Equipment

Pros:
– Customizable to specific dimensions and shapes
– High-quality production with strong cost control

Cons:
– Higher price compared to standard O-Rings
– Longer lead times due to custom manufacturing

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 technical parameters
– Potential variability in custom orders

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 1500Kg/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 chemicals

Custom Rubber Seals & O-Rings Manufacturer | HAISUN Rubber

Product Details: O-ring kits are sets of O-rings in various sizes and materials used for sealing applications. They are round rubber or elastomer rings designed to fit into a groove and create a seal between two parts.

Technical Parameters:
– Various sizes
– Different materials

Application Scenarios:
– Plumbing
– Automotive
– Hydraulic
– Pneumatic

Pros:
– Prevents leaks
– Ensures proper sealing

Cons:
– Limited to specific sizes
– Material compatibility may vary

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 such as nitrile rubber, silicone, EPDM, 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:
– Limited information on specific product performance
– Potential variability in quality among manufacturers

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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 available	– Limited information on specific applications – Potentially higher cost for custom solutions
O-Rings, Rubber Seals – Best China Manufacturer & Supplier – Savvy	High-Quality Rubber O-Rings manufactured by Savvy, available in various materials including NBR, FKM, Silicone, and more.	– Low manufacturing cost and convenient use – Self-sealing effect with no need for periodic adjustment	– Difficult to achieve zero leakage in dynamic seals – Can be prone to cutting, twisting, and breaking if used improperly	savvyrubber.com
Custom Rubber Seals & O-Rings Manufacturer	HAISUN Rubber	High-precision O-rings manufactured by Cixi Haisheng Rubber Products Co., Ltd. (HAISUN).	– High production capacity: 50 million O-rings per day – Customized products according to specific standards	– Limited information on specific material properties – Potential dependency on specific industries
Professional Manufacturer of Sealing Solutions – YOSON	Yoson Seals offers a wide variety of industrial seals including FFKM O Rings, Spring Energized Seals, and Oil and Gas Seals, designed for various appl…	– Custom design available for specific requirements – Wide range of materials to suit different applications	– Lead time for mass production can vary – Customization may require additional time for prototyping	www.yosonseals.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 times	– Limited information on specific material types – Potential variability in shipping times based on location	hongjusilicone.com
Custom O-Rings, Custom Molded O-Ring China Manufacturer – Savvy	Custom O-Rings are specialized rubber seals designed to meet specific requirements when standard sizes are not available. They can be produced in vari…	– Customizable to specific dimensions and shapes – High-quality production with strong cost control	– Higher price compared to standard O-Rings – Longer lead times due to custom manufacturing	savvyrubber.com
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 technical parameters – Potential variability in custom orders	savvyrubber.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 chemicals	www.chinarubberseal.com
Custom Rubber Seals & O-Rings Manufacturer	HAISUN Rubber	O-ring kits are sets of O-rings in various sizes and materials used for sealing applications. They are round rubber or elastomer rings designed to fit…	– Prevents leaks – Ensures proper sealing	– Limited to specific sizes – Material compatibility may vary
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	– Limited information on specific product performance – Potential variability in quality among manufacturers	hongjusilicone.com

Frequently Asked Questions (FAQs)

What are custom O-ring seals, and why are they important?

Custom O-ring seals are circular gaskets made from various materials designed to create a tight seal between two surfaces. They are crucial in preventing leaks in hydraulic and pneumatic systems, ensuring the efficiency and safety of machinery and equipment. By customizing the size and material, you can meet specific application requirements, enhancing performance and durability.

How do I choose the right factory for custom O-ring seals in China?

When selecting a factory, consider their experience, production capabilities, and quality control processes. Look for certifications like ISO to ensure they meet international standards. It’s also helpful to read reviews and request samples to assess their product quality before making a decision.

What materials are commonly used for O-ring seals?

O-ring seals can be made from various materials, including rubber, silicone, fluorocarbon, and polyurethane. The choice of material depends on factors like temperature, pressure, and chemical exposure in your application. Discussing your specific needs with the factory can help you select the best material for your O-rings.

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

Lead times can vary based on the factory’s workload and the complexity of your order. Generally, you can expect a lead time of 2 to 4 weeks for production, plus additional time for shipping. It’s a good idea to communicate your timeline with the factory to ensure they can meet your deadlines.

Can I get prototypes of custom O-ring seals before placing a large order?

Yes, many factories offer prototype services, allowing you to test the design and fit of your custom O-ring seals before committing to a larger order. This step is essential for ensuring that the seals meet your specifications and function correctly in your application. Be sure to discuss this option with the factory during your initial conversations.