Are you in the market for high-quality O-rings and wondering where to find the best manufacturers in China? With countless factories to choose from, making the right decision can feel overwhelming. Understanding the top players in the industry is crucial, as it can significantly impact your product’s performance and longevity. By knowing the best options, you can ensure superior quality, competitive pricing, and reliable service. Ready to simplify your search and discover the leading O-ring custom factories? Let’s dive in and explore your best choices!

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 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, and Silicone.

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
– Improper use can lead to cutting, twisting, and breaking

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 manufactured by Savvy, available 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 manufacturing with strong cost control

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

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

High-quality O-rings By Haisun | Custom & Standard Parts

Product Details: NBR o-ring

Technical Parameters:
– Material stand by Reach, RoHS, FDA, PAHS, TSCA
– Tolerance: ±0.02mm

Application Scenarios:
– Manufacturing various oil resistant products
– Automotive parts and household appliances

Pros:
– Heat resistance
– Oil resistance
– Water resistance

Cons:
– Poor cold and ozone resistance
– Relatively high price

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 profiles.

Technical Parameters:
– Temperature resistance: -200°C to 250°C
– 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

Custom Silicone Rubber O-ring Manufacturer in China – Hongju

Product Details: Customized Silicone Rubber O-Rings for various manufacturing needs, available in multiple materials including silicone, NBR, Viton, EPDM, polyurethane, and neoprene.

Technical Parameters:
– CE and FDA approved materials
– Rapid prototyping available within 5-7 business days

Application Scenarios:
– Used in pumps and compressors
– Applicable in hydraulic systems to prevent leaks

Pros:
– High-quality, durable, and long-lasting products
– Eco-friendly materials and processes

Cons:
– Limited information on specific material properties
– Potential variability in production times based on order size

oil seals-o rings-made in china

Product Details: Oil seals, O-rings, and custom gaskets manufactured in China.

Technical Parameters:
– Wear-resistant
– Pressure-resistant
– Corrosion-resistant
– Durable

Application Scenarios:
– Automotive industry
– Industrial machinery

Pros:
– High quality raw materials from reputable suppliers
– Customization capability for various shapes and materials

Cons:
– Minimum order quantity may be required
– Potential lead time for custom orders

O Ring China, O-Ring Supplier in China, Custom O-Ring Solutions

Product Details: O-Rings manufactured by Suzhou Baoshida Rubber, a leading supplier in China, offering custom solutions for various industries.

Technical Parameters:
– ISO 3601 certification
– Customizable materials and sizes

Application Scenarios:
– Automotive sealing solutions
– Aerospace components

Pros:
– High-quality manufacturing standards
– Cost-effective pricing

Cons:
– Potential communication barriers
– Lead times may vary based on customization

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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, 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
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 manufactured by Savvy, available in various cross-sections and shapes.	– Customizable to specific dimensions and shapes – High-quality manufacturing with strong cost control	– Higher price compared to standard O-Rings – Longer lead times due to custom production	savvyrubber.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
High-quality O-rings By Haisun	Custom & Standard Parts	NBR o-ring	– Heat resistance – Oil resistance – Water resistance	– Poor cold and ozone resistance – Relatively high price
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
Custom Silicone Rubber O-ring Manufacturer in China – Hongju	Customized Silicone Rubber O-Rings for various manufacturing needs, available in multiple materials including silicone, NBR, Viton, EPDM, polyurethane…	– High-quality, durable, and long-lasting products – Eco-friendly materials and processes	– Limited information on specific material properties – Potential variability in production times based on order size	hongjusilicone.com
oil seals-o rings-made in china	Oil seals, O-rings, and custom gaskets manufactured in China.	– High quality raw materials from reputable suppliers – Customization capability for various shapes and materials	– Minimum order quantity may be required – Potential lead time for custom orders	drorubber.com
O Ring China, O-Ring Supplier in China, Custom O-Ring Solutions	O-Rings manufactured by Suzhou Baoshida Rubber, a leading supplier in China, offering custom solutions for various industries.	– High-quality manufacturing standards – Cost-effective pricing	– Potential communication barriers – Lead times may vary based on customization	www.rubber-tools.com

Frequently Asked Questions (FAQs)

What are the benefits of sourcing O-rings from custom factories in China?

Sourcing O-rings from custom factories in China can offer significant cost savings, high-quality materials, and a wide range of customization options. You can benefit from advanced manufacturing technologies and a vast selection of suppliers, allowing you to find the perfect fit for your specific needs. Additionally, many factories have experience in producing O-rings for various industries, ensuring you receive a product that meets your standards.

How do I choose the right custom factory for O-rings?

To choose the right custom factory for O-rings, consider factors like their experience, production capabilities, and quality control processes. You should also check customer reviews and request samples to assess the quality of their products. Communication is key, so ensure they are responsive and willing to collaborate on your specific requirements.

What materials are commonly used for O-rings?

Common materials for O-rings include rubber compounds like Nitrile, Silicone, and EPDM, each offering different properties for various applications. Nitrile is great for oil resistance, while Silicone is ideal for high-temperature environments. EPDM is excellent for outdoor use due to its weather resistance. You can discuss your specific needs with the factory to select the best material for your application.

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

The lead time for custom O-ring orders can vary based on the complexity of your design and the factory’s workload. 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 before placing a large order?

Yes, most custom factories in China offer prototype services. You can request prototypes to test the design, fit, and functionality of your O-rings before committing to a larger order. This step is crucial for ensuring that the final product meets your specifications and helps avoid costly mistakes in mass production.