Ever wondered where the world’s best O-rings come from? Many are made in China, but choosing the right factory can be tricky! Comparing top Chinese O-ring factories is crucial for quality, price, and timely delivery – vital for your business’s success. Knowing the best options saves you time, money, and potential headaches down the line. Ready to find your perfect O-ring supplier? Let’s dive into our comparison of the top factories in China!

Top 10 O-ring Manufacturers and Suppliers in China (2024)

Product Details: O-rings (standard and metric sizes), silicone rubber parts, gaskets, seals, keypads, grommets, neoprene gaskets, medical silicone products, plastic o-rings, gaskets, seals, extrusion parts, suction cups, grommets, hoses, hydraulic and pneumatic seals, encapsulated o-rings, auto power steering PTFE seals, hydraulic cylinder seals, rotary o-ring seal, stainless steel PTFE oil seal, cord oil seal, oil seals, hydraulic seals, rubber seals, liquid silicone rubber parts, pneumatic seals, other types of silicone accessories, o-ring seal, rubber gaskets, oil seal covers, pump valve oil seals, hydraulic seals, o-ring seal, o-ring kit, bearing seal/strip, oil and wiper seal, sealing strips, rubber cords, EPDM rubber seals, square

rings, rotary, scraper, and piston seals, bonded seals, gaskets, oil seals

Technical Parameters:
– Size (standard and metric)
– Material (nitrile rubber, silicone, EPDM, Viton/fluorocarbon, etc.)
– Pressure resistance
– Temperature resistance
– Chemical resistance

Application Scenarios:
– Static and dynamic applications
– High-tech equipment
– Construction industry
– Automotive industry
– Aerospace industry
– Medical equipment
– Military applications
– Chemical industry
– Valves
– Pipelines
– Bearings
– Automobiles
– Machines

Pros:
– Wide range of products
– Fast delivery
– Good customer service
– Low minimum order quantities (MOQs)
– Customization available
– Competitive pricing
– High-quality materials
– Well-equipped production facilities
– Prompt delivery of prototypes
– One-stop service
– Export license
– International clients
– Good quality assurance
– Variety of products
– Focus on research and development
– Extensive product categories
– Hassle-free transportation
– Strong customer service
– Excellent quality assurance
– Diverse material offerings
– No MOQ for customized parts
– Diverse product catalog
– Good service
– Hydraulic and pneumatic products

Cons:
– Insufficient information to list specific cons

Top 10 O-Rings Manufacturers in China – News – qlrubber.com

Product Details: O-rings, quad-rings, V-rings, rubber balls, grommets, washers, gaskets, bumpers, bushings, plugs, bellows, extrusions, rubber hoses, O-ring cord, rubber seals, rubber dampers, molded rubber parts, rubber extrusions. Custom-made products are a large percentage of their business, with various materials including FKM, NBR, Silicone, EPDM, NR, PU, CR, HNBR, SBR, IIR, SEP, Fluorosilicone, Aflas, FFKM, and special mixtures.

Technical Parameters:
– Various sizes
– Diverse choice of material and processing technology

Application Scenarios:
– Aerospace
– Automotive
– Medical
– Construction

Pros:
– More than 20 years of experience
– Wide range of rubber products
– Custom solutions
– Reliable quality
– Reasonable price
– Remarkable service

Cons:
– None explicitly stated in the provided text

Custom O-ring Manufacturer and Wholesale Supplier – Hongju

Product Details: Custom and standard size silicone rubber O-rings and high-temperature O-ring seals. Available in various colors and materials. Manufactured using compression molding.

Technical Parameters:
– Hardness tolerance: ±3-5A (customizable)
– Dimensions and tolerances follow ISO3601 standards (customizable)

Application Scenarios:
– Engines
– Pumps
– Cylinders
– Connectors
– Valves
– Various machinery (static and dynamic applications)

Pros:
– High quality
– Certified materials
– Wide selection of stock items at wholesale prices
– Fast turnaround
– Customizable designs and materials
– Competitive pricing

Cons:
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Top O Rings Manufacturers in China – Custom Solutions | Suzhou Baoshida …

Product Details: O-rings manufactured by Suzhou Baoshida Rubber. Available in various sizes and materials including NBR, FKM, and Silicone. Custom orders are accepted.

Technical Parameters:
– Size (customizable)
– Material (NBR, FKM, Silicone, and others)

Application Scenarios:
– Automotive
– Aerospace
– Medical
– Chemical

Pros:
– High-quality materials
– Cost-effective
– Customizable solutions
– Quick responsiveness
– Efficient international trade and supply chain management

Cons:
– Lead times may vary depending on order quantity and customization
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Premier O Ring Manufacturer & Supplier from China

Top 10 Viton O-ring Manufacturers and Suppliers in China(2024)

Product Details: Viton O-rings are highly durable synthetic rubber O-rings designed to withstand extreme environments, including high pressure and temperatures, and resistant to flame, chemicals, oils, and fluids. They are available in standard and custom sizes.

Technical Parameters:
– High pressure tolerance
– High temperature tolerance
– Chemical resistance
– Flame resistance

Application Scenarios:
– Mechanical
– Automotive
– Electrical
– Pharmaceutical
– Medical
– Aerospace
– Chemical processing
– Petroleum

Pros:
– High durability
– Resistance to extreme environments
– Customization capabilities
– Low MOQ (for some manufacturers)
– Affordable price (for some manufacturers)
– Quick delivery (for some manufacturers)

Cons:
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– Generic placeholder

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

Product Details: O-Rings, custom O-Ring solutions, Rubber Seals, Rubber Products, Power Tools

Technical Parameters:
– Various materials (e.g., FFKM, HNBR, FVMQ), AS568 O-ring sizes
– Adherence to ISO and other global certifications

Application Scenarios:
– Automotive
– Aerospace
– Marine
– General industry

Pros:
– Customization capabilities
– Competitive pricing
– High quality
– Adherence to international standards

Cons:
– Lead times may vary
– Potential communication barriers (language)
– Requires due diligence in selecting a supplier

Custom Sheet Metal Stamping Fabrication Manufacturer in China

Product Details: WIER is a Chinese sheet metal and metal parts manufacturer offering a range of services including sheet metal fabrication (laser cutting, waterjet cutting, plasma cutting, bending, welding, laser engraving), metal stamping (deep drawn, progressive die, composite mold, precision), CNC machining (milling, turning, 5-axis), and value-added services (tooling design, rapid prototyping, part marking). They work with various materials including steel, stainless steel, carbon steel, galvanized steel, brass, copper, aluminum, and titanium, and offer surface finishing options like sandblasting, powder coating, anodizing, brushing, electro coating, painting, polishing, and part marking. They provide prototyping, low-volume, and high-volume manufacturing services.

Technical Parameters:
– Precision parts production (tens of thousands daily)
– State-of-the-art fabrication equipment

Application Scenarios:
– Aerospace
– Robotics
– Automotive
– Medical
– Hardware parts
– Custom sheet metal fabrication
– Metal stamping

Pros:
– Cost-effective prototyping with instant quotes and fast delivery
– Production-quality low-volume order services for market verification
– On-demand manufacturing to reduce costs
– Comprehensive product chain with in-house facilities
– Multi-industry service experience
– Responsible after-sales policy

Cons:
– Insufficient information to list cons

China Metal O-Ring Manufacturers Suppliers Factory – Custom Metal O …

Product Details: Custom metal o-rings manufactured from various materials including steel, stainless steel, aluminum, zinc, copper, brass, and bronze. Offered in various dimensions, colors, with or without welding, and different opening sizes. High-strength, smooth, and low-cost options available.

Technical Parameters:
– Ring material
– Wire diameter
– Inner or outer diameter
– Weld seam (if welded)
– Opening size (if not welded)
– Ring load capacity
– Quantity

Application Scenarios:
– Aerospace
– Construction
– Machinery
– Petrochemicals
– Yachting
– Marine
– Agriculture
– Clothing
– Animal harnesses
– Outdoor gear
– Décor
– Sealing in high-temperature and corrosive environments

Pros:
– Durable and robust
– Reliable sealing performance
– High temperature and corrosion resistance
– Versatile material options
– Simple construction
– Cost-effective

Cons:
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Semiconductor Industry | O-Ring

Product Details: O-rings and other sealing products for the semiconductor industry, including Kalrez® compounds in various colors.

Technical Parameters:
– Temperature range (-10°C to 327°C depending on the material)
– Pressure range (.0000001 torr to ambient depending on the application)
– Material: FKM, VMQ, FFKM, EPDM, TFE, FVMQ, NBR

Application Scenarios:
– Crystal Growth (Pulling)
– Thermal (LPCVD)
– Track & Lithography
– Dry Etch
– Wet Etch
– Resist Stripping
– Cleaning
– Chemical Vapor Deposition (CVD)
– Ion Implant
– Physical Vapor Deposition (PVD)
– Chemical Mechanical

Pros:
– High thermal stability
– Chemical resistance
– Good vacuum performance
– Plasma resistance
– Abrasion resistance
– Reduced Total Cost of Ownership (TCO) due to cleanroom processing

Cons:
– Insufficient information to list specific cons.

Related Video

Comparison Table

Company	Product Details	Pros	Cons	Website
Top 10 O-ring Manufacturers and Suppliers in China (2024)	O-rings (standard and metric sizes), silicone rubber parts, gaskets, seals, keypads, grommets, neoprene gaskets, medical silicone products, plastic o-…	– Wide range of products – Fast delivery – Good customer service – Low minimum order quantities (MOQs) – Customization available – Competitive pricing…	– Insufficient information to list specific cons	hongjusilicone.com
Top 10 O-Rings Manufacturers in China – News – qlrubber.com	O-rings, quad-rings, V-rings, rubber balls, grommets, washers, gaskets, bumpers, bushings, plugs, bellows, extrusions, rubber hoses, O-ring cord, rubb…	– More than 20 years of experience – Wide range of rubber products – Custom solutions – Reliable quality – Reasonable price – Remarkable service	– None explicitly stated in the provided text	www.qlrubber.com
Custom O-ring Manufacturer and Wholesale Supplier – Hongju	Custom and standard size silicone rubber O-rings and high-temperature O-ring seals. Available in various colors and materials. Manufactured using co…	– High quality – Certified materials – Wide selection of stock items at wholesale prices – Fast turnaround – Customizable designs and materials – Comp…	– Generic placeholder – Generic placeholder	hongjusilicone.com
Top O Rings Manufacturers in China – Custom Solutions	Suzhou Baoshida …	O-rings manufactured by Suzhou Baoshida Rubber. Available in various sizes and materials including NBR, FKM, and Silicone. Custom orders are accepte…	– High-quality materials – Cost-effective – Customizable solutions – Quick responsiveness – Efficient international trade and supply chain management	– Lead times may vary depending on order quantity and customization – Generic placeholder for con 2
Premier O Ring Manufacturer & Supplier from China				www.rubber-tools.com
Top 10 Viton O-ring Manufacturers and Suppliers in China(2024)	Viton O-rings are highly durable synthetic rubber O-rings designed to withstand extreme environments, including high pressure and temperatures, and re…	– High durability – Resistance to extreme environments – Customization capabilities – Low MOQ (for some manufacturers) – Affordable price (for some ma…	– Generic placeholder – Generic placeholder	hongjusilicone.com
O Ring China, O-Ring Supplier in China, Custom O-Ring Solutions	O-Rings, custom O-Ring solutions, Rubber Seals, Rubber Products, Power Tools	– Customization capabilities – Competitive pricing – High quality – Adherence to international standards	– Lead times may vary – Potential communication barriers (language) – Requires due diligence in selecting a supplier	www.rubber-tools.com
Custom Sheet Metal Stamping Fabrication Manufacturer in China	WIER is a Chinese sheet metal and metal parts manufacturer offering a range of services including sheet metal fabrication (laser cutting, waterjet cut…	– Cost-effective prototyping with instant quotes and fast delivery – Production-quality low-volume order services for market verification – On-demand…	– Insufficient information to list cons	www.wierfab.com
China Metal O-Ring Manufacturers Suppliers Factory – Custom Metal O …	Custom metal o-rings manufactured from various materials including steel, stainless steel, aluminum, zinc, copper, brass, and bronze. Offered in vari…	– Durable and robust – Reliable sealing performance – High temperature and corrosion resistance – Versatile material options – Simple construction – C…	– Generic placeholder – Generic placeholder	www.wierfab.com
Semiconductor Industry	O-Ring	O-rings and other sealing products for the semiconductor industry, including Kalrez® compounds in various colors.	– High thermal stability – Chemical resistance – Good vacuum performance – Plasma resistance – Abrasion resistance – Reduced Total Cost of Ownership (…	– Insufficient information to list specific cons.

Frequently Asked Questions (FAQs)

1. What types of O-rings do Chinese factories produce?

You’ll find a vast range of O-rings produced in China, catering to diverse industries. From standard nitrile rubber O-rings to specialized materials like silicone, Viton, and EPDM, Chinese factories offer various sizes, shapes, and durometers to meet specific application needs. Many also offer custom designs and manufacturing.

2. What are the typical lead times for O-ring orders from Chinese factories?

Lead times vary depending on order size, material specifications, and the factory’s current workload. For smaller, standard orders, you might see lead times ranging from a few days to a couple of weeks. Larger or more specialized orders could take longer, potentially several weeks or even months. It’s always best to discuss lead times directly with the factory.

3. How can I ensure the quality of O-rings from a Chinese factory?

Thorough due diligence is key. Request samples before placing a large order to test material properties and quality. Look for factories with established quality certifications like ISO 9001. Clearly specify your requirements in the order and request detailed inspection reports. Consider using a third-party inspection service for added assurance.

4. What are the common payment methods used with Chinese O-ring factories?

Several payment methods are commonly used, including wire transfers (TT), Letters of Credit (LC), and sometimes PayPal for smaller orders. Wire transfers are frequently preferred for larger orders. Always clarify payment terms and conditions with the factory beforehand to avoid misunderstandings.

5. What are the typical costs associated with sourcing O-rings from China?

The cost depends on factors like material, quantity, size, and complexity. Generally, O-rings sourced from China are often more cost-effective than those from other regions due to lower labor costs and economies of scale. However, remember to factor in shipping costs and potential import duties when calculating the total cost.