Are you in the market for high-quality custom o-rings but feeling overwhelmed by the options? Choosing the right manufacturer can make all the difference in your project’s success. With countless factories in China, comparing the top contenders is essential to ensure you get the best materials and service. Imagine the peace of mind that comes from knowing you’ve selected a reliable partner who meets your specific needs. Ready to discover the leading o-ring manufacturers that can elevate your production? Let’s dive in and explore the best options available to you!

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:
– Used in smartphones, watches, automotive parts, medical devices, food machinery,…
– Suitable for applications requiring dust and water resistance.

Pros:
– High precision and quality control in manufacturing.
– Wide range of materials and custom solutions available.

Cons:
– Limited information on specific performance characteristics.
– Potentially higher costs 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: ±3-5A
– Dimensions and tolerances follow ISO3601 standards

Application Scenarios:
– Static sealing applications
– Dynamic sealing applications

Pros:
– Inexpensive and effective sealing solution
– Wide selection of stock items and customization capabilities

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

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

Product Details: High-Quality Rubber O-Rings manufactured by Savvy, 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:
– Starting friction resistance can be large in compression sealing
– Difficult to achieve zero leakage in dynamic seals

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 from various materials including nitrile rubber, silicone, EPDM rubber, and Fluorocarbon (Viton).

Technical Parameters:
– Available in standard and metric sizes
– Customizable materials including silicone, EPDM, nitrile rubber, 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

Custom Rubber Seals & O-Rings Manufacturer | HAISUN Rubber

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

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 with professional certifications

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

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 information on specific technical parameters
– No detailed product specifications provided

Rubber Seal Productions, OEM Rubber Parts|Tianjin King Seal

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

Technical Parameters:
– Material options include NBR, FKM, Silicone, EPDM, HNBR, PU, SR.
– Available in various sizes and types including O Rings, Oil Seals, Hydraulic Sea…

Application Scenarios:
– Used in automotive, aerospace, and manufacturing industries.
– Applicable in machinery and equipment requiring sealing solutions.

Pros:
– High-quality materials suitable for various temperature conditions.
– Custom design and production capabilities based on client specifications.

Cons:
– Price may not be the lowest in the market.
– Limited information on specific product performance metrics.

China O Ring Manufacturers, Suppliers, Factory – Custom O Ring …

Product Details: O-rings are circular mechanical gaskets used to create leak-free seals between components. They are made from various materials including rubber, silicone, and polymers, and are available in different sizes and shapes.

Technical Parameters:
– Temperature resistance: -200°C to 500°F
– Material types: Nitrile, Silicone, Viton, PTFE, Neoprene, etc.

Application Scenarios:
– Automotive industry for sealing fluids
– Aerospace for protecting jet engines

Pros:
– Versatile and cost-effective sealing solutions
– Wide range of materials for different applications

Cons:
– Can degrade under extreme conditions
– May require regular maintenance and replacement

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

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

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 dimensions
– Potential variations in material properties

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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 in manufacturing. – Wide range of materials and custom solutions available.	– Limited information on specific performance characteristics. – Potentially higher costs 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.	– Inexpensive and effective sealing solution – Wide selection of stock items and customization capabilities	– Limited information on specific material properties – Potential variability in manufacturing time based on quantity	hongjusilicone.com
O-Rings, Rubber Seals – Best China Manufacturer & Supplier – Savvy	High-Quality Rubber O-Rings manufactured by Savvy, including NBR, FKM, Silicone, and more.	– Low manufacturing cost and convenient use – Self-sealing effect with no need for periodic adjustment	– Starting friction resistance can be large in compression sealing – Difficult to achieve zero leakage in dynamic seals	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 from various materials including nitri…	– 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
Custom Rubber Seals & O-Rings Manufacturer	HAISUN Rubber	High-precision O-rings manufactured by Cixi Haisheng Rubber Products Co., Ltd. (HAISUN) for various industries.	– High production capacity: 50 million O-rings per day – Customized products with professional certifications	– Limited information on specific material types – Potential dependency on specific industries
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 information on specific technical parameters – No detailed product specifications provided
Rubber Seal Productions, OEM Rubber Parts	Tianjin King Seal	Rubber Seal Productions, OEM Rubber Parts from Tianjin King Seal.	– High-quality materials suitable for various temperature conditions. – Custom design and production capabilities based on client specifications.	– Price may not be the lowest in the market. – Limited information on specific product performance metrics.
China O Ring Manufacturers, Suppliers, Factory – Custom O Ring …	O-rings are circular mechanical gaskets used to create leak-free seals between components. They are made from various materials including rubber, sili…	– Versatile and cost-effective sealing solutions – Wide range of materials for different applications	– Can degrade under extreme conditions – May require regular maintenance and replacement	www.chaoyuerubber.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 product dimensions – No detailed pricing information provided	savvyrubber.com
China O-Rings, X-Rings, Back Up Rings Suppliers and Manufacturers …	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 dimensions – Potential variations in material properties	www.sealsmanufacturer.com

Frequently Asked Questions (FAQs)

What should I consider when choosing a custom o-ring manufacturer in China?

You should evaluate the manufacturer’s experience, production capabilities, quality control processes, and customer reviews. It’s also important to consider their ability to meet your specific requirements, such as material types and sizes, as well as their communication responsiveness and lead times.

How can I ensure the quality of o-rings produced in China?

To ensure quality, request samples before placing a large order, and consider visiting the factory if possible. Additionally, ask about their quality assurance processes, certifications, and whether they conduct regular inspections during production.

What materials are commonly used for custom o-rings?

Common materials for o-rings include nitrile rubber, silicone, fluorocarbon, and EPDM. The choice of material depends on the application, temperature range, and chemical compatibility, so be sure to discuss your specific needs with the manufacturer.

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

Lead times can vary based on the complexity of your order and the manufacturer’s workload. Generally, you can expect a lead time of 2 to 4 weeks for production, but it’s best to confirm with the manufacturer for a more accurate estimate.

Can I get custom sizes and shapes for o-rings?

Yes, most custom o-ring manufacturers can produce a wide range of sizes and shapes to meet your specific requirements. Just provide the dimensions and specifications, and they will work with you to create the perfect o-ring for your application.