Are you in the market for high-quality seals and wondering where to find the best manufacturers in China? With countless options available, it’s crucial to compare the top custom factories to ensure you make the right choice. Understanding the strengths and specialties of these factories can save you time and money while guaranteeing the quality you need for your projects. Imagine having access to the best options tailored to your specific requirements! Dive into our comprehensive comparison to discover the leading seal manufacturers in China and make an informed decision for your business.

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 and 100% customer satisfaction
– Fast Delivery and Massive 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 may vary
– Customization may require additional time for design approval

Custom Rubber Seals Manufacturer in China – Able Materials

Product Details: Custom rubber seals designed for various industrial applications, offering tailored solutions for specific sealing needs.

Technical Parameters:
– Material options: NBR, EPDM, Silicone, FKM
– Customization in size, shape, and design

Application Scenarios:
– Automotive fluid systems
– Aerospace engine components

Pros:
– Enhanced sealing capabilities and durability
– Cost savings through reduced maintenance and replacements

Cons:
– Potentially higher upfront costs compared to standard seals
– Longer lead times for custom production

Top 10 Mechanical Seal Manufacturers and Suppliers in China (2025)

Product Details: Mechanical seals for various industries including food, electrical, mining, engineering, and automotive.

Technical Parameters:
– High-quality carbon graphite
– Environmentally friendly materials

Application Scenarios:
– Used in industrial machinery to contain pressure
– Prevent leakage and contamination in various sectors

Pros:
– Custom solutions available
– Timely delivery and efficient supply chain

Cons:
– Limited distribution to specific regions
– Only silicone rubber products offered

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 performance metrics
– Potentially higher cost for custom solutions

Custom & Customized Seals from China’s Wholesale Manufacturers – Your …

Product Details: Custom seals and customized seals manufactured by TYS, a leading China-based manufacturer and wholesaler.

Technical Parameters:
– Made from elastomers, thermoplastics, and metals
– Designed for specific application requirements such as temperature range and che…

Application Scenarios:
– Heavy machinery in construction
– Delicate instruments in the medical field

Pros:
– Optimized performance tailored to specific requirements
– Enhanced reliability and longevity

Cons:
– Higher initial cost compared to standard seals
– May require longer lead times for production

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

China Custom Hydraulic Seals Manufacturers and Suppliers, Factory | BD …

Product Details: Custom Hydraulic Seals by Ningbo Bodi Seals Co., Ltd. are engineered for reliability and efficiency in various industrial applications, designed to withstand extreme operating conditions.

Technical Parameters:
– Excellent resistance to pressure
– Compatibility with various fluids

Application Scenarios:
– Hydraulic cylinders
– Actuators

Pros:
– Tailored to specific requirements
– Superior quality and performance

Cons:
– Limited information on specific materials
– Potentially higher cost for customization

SG Seals – China First 10 – Day Delivery Mechanical Seals Factory – SG …

Product Details: Custom manufactured seals for valves and compressors, suitable for the chemical industry.

Technical Parameters:
– Materials: PTFE, RPTFE, MPTFE, PCTFE, PEEK, POM, PI, NYLON
– MOQ: 50 pieces for first order

Application Scenarios:
– Valves
– Compressors

Pros:
– Customizable formulas based on client specifications
– Quick delivery within 10 days

Cons:
– Limited payment options for new customers
– Customization requires intact samples

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
– Advanced testing equipment for rubber material properties

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

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Comparison Table

Company	Product Details	Pros	Cons	Website
Rubber Seals, Custom Rubber & Plastic Parts Manufacturer	Professional Rubber Seals, O-Rings, Oil Seals, Custom Rubber Parts Manufacturer in China	– High Quality and 100% customer satisfaction – Fast Delivery and Massive 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 may vary – Customization may require additional time for design approval	www.yosonseals.com
Custom Rubber Seals Manufacturer in China – Able Materials	Custom rubber seals designed for various industrial applications, offering tailored solutions for specific sealing needs.	– Enhanced sealing capabilities and durability – Cost savings through reduced maintenance and replacements	– Potentially higher upfront costs compared to standard seals – Longer lead times for custom production	ablematerials.com
Top 10 Mechanical Seal Manufacturers and Suppliers in China (2025)	Mechanical seals for various industries including food, electrical, mining, engineering, and automotive.	– Custom solutions available – Timely delivery and efficient supply chain	– Limited distribution to specific regions – Only silicone rubber products offered	hongjusilicone.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 performance metrics – Potentially higher cost for custom solutions
Custom & Customized Seals from China’s Wholesale Manufacturers – Your …	Custom seals and customized seals manufactured by TYS, a leading China-based manufacturer and wholesaler.	– Optimized performance tailored to specific requirements – Enhanced reliability and longevity	– Higher initial cost compared to standard seals – May require longer lead times for production	www.tysseals.com
China O-Rings, X-Rings, Back Up Rings Suppliers and Manufacturers …				www.sealsmanufacturer.com
China Custom Hydraulic Seals Manufacturers and Suppliers, Factory	BD …	Custom Hydraulic Seals by Ningbo Bodi Seals Co., Ltd. are engineered for reliability and efficiency in various industrial applications, designed to wi…	– Tailored to specific requirements – Superior quality and performance	– Limited information on specific materials – Potentially higher cost for customization
SG Seals – China First 10 – Day Delivery Mechanical Seals Factory – SG …	Custom manufactured seals for valves and compressors, suitable for the chemical industry.	– Customizable formulas based on client specifications – Quick delivery within 10 days	– Limited payment options for new customers – Customization requires intact samples	sg-seals.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 – Advanced testing equipment for rubber material properties	– Limited information on specific material types – Potential dependency on specific industries

Frequently Asked Questions (FAQs)

What are custom seals, and why are they important?

Custom seals are specially designed stamps or impressions used to authenticate documents, secure packaging, or brand products. They are important because they enhance security, prevent tampering, and provide a professional appearance to your materials.

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

When choosing a factory, consider their experience, production capacity, quality control processes, and customer reviews. It’s also helpful to request samples and communicate your specific needs to ensure they can meet your requirements.

What materials are commonly used for custom seals?

Custom seals can be made from various materials, including rubber, metal, and plastic. The choice of material depends on the intended use, durability requirements, and budget. Each material offers different benefits, such as longevity or ease of use.

What is the typical lead time for custom seal production?

The lead time for custom seal production can vary, but it generally ranges from 2 to 4 weeks. Factors affecting this timeline include the complexity of the design, the factory’s workload, and shipping times. Always confirm the timeline with your chosen factory.

Can I request a design change after placing an order?

Yes, most factories allow design changes, but it’s best to do this as early as possible. Changes made after production has started may incur additional costs or delays. Always communicate your needs clearly to avoid misunderstandings.