Are you looking for the best rubber seal manufacturers in China? With China being the world’s largest producer of rubber seals, choosing the right manufacturer can be overwhelming. Here’s a comparison of the top nok sealing factories in China, helping you make an informed decision for your needs. From industry veterans like Qingdao Seashore Industrial Co., Ltd. and Hebei Shida Seal Group Co., Ltd., to specialized producers such as Dongguan Hongju Silicone Rubber Products Co., Ltd. and Lepu

NNK Oil Seal

NOK CORPORATION

NOK Seal Suppliers – NNK Oil Seal

Product Details: NNK specializes in the production of various types of oil seals, including passenger oil seals, truck seals, valve seals, power steering oil seals, and industrial oil seals. They also manufacture automotive gaskets, water plugs, copper washers, and other metal stamping products. The company supports OEM and ODM services and offers customization options based on customer specifications. Their products are made from materials such as NBR, FKM, FPM, Silicone, and EPDM, and are designed for applications in automobiles, motorcycles, construction machinery, and agricultural machines. NNK has a global presence, exporting to over 60 countries including Russia, Canada, the United States, Mexico,

Iran, and Dubai.

Pros:
– High quality and high performance seals
– Strong delivery ability and fast delivery in large quantities
– Customization service with mold research and development capabilities
– Leading technical level in the world
– Strict inspection procedures and consistent quality control
– Highly durable products, with some oil seals guaranteed to last up to 800,000 km
– International standard criteria and PPAP Level II submission
– Good ductility and strong sealing performance due to professional vulcanization…

Cons:
– No specific cons mentioned on the website, but potential delays could occur depe…

leading seals suppliers,manufacturers—XINGTAI NOK-CN …

Product Details: Type: TA METAL Oil Seal; Material of seal: NBR or FKM; Package: Plastic bag & carton box or according to your requirements. Oil seals are integral in any rotating and moving part assembly, often called grease, fluid, dirt or lip seals.

Pros:
– Durable and long-lasting due to high-quality materials like NBR or FKM.
– Versatile applications including auto, construction machinery, hydraulics, power…
– Custom packaging options available.

Cons:
– Specific product details may vary and need to be verified with the manufacturer.
– Material compatibility needs to be checked for specific applications.

China Nok Seal Factories, Product | Xingtai Xinchi

Video,China NOK – CN Oil Seal Suppliers,engine seal,rear …

Product Details: The website https://www.nokcn-seals.com/video.html showcases the product production process of NNK factory, a specialized oil seal manufacturer. The videos highlight the production of various types of oil seals, including TC oil seals, COMBI oil seals, and other industrial and automotive seals. These seals are designed for different applications such as rear wheel, half shaft, transmission shaft, and power steering. The videos demonstrate the manufacturing process, material selection, and quality control measures to ensure high sealing performance and durability.

Pros:
– Good wear resistance, tear resistance, and bending strength
– Excellent elasticity and high tension
– Moderate high temperature resistance (-30 degrees ~ 260 degrees)
– Large adjustable range of hardness (Shore 80A-95A)
– Oil and corrosion resistance, good solvent resistance, high mechanical strength…
– Excellent ozone resistance and aging resistance
– Non-toxic, in line with environmental protection requirements
– Customizable to fit various equipment properties and conditions

Cons:
– No specific cons mentioned in the video section, but potential issues could incl…

Overseas Group Companies

Product Details: NOK Corporation specializes in the production of sealing products, functional parts, and electronic components. Key products include oil seals, O-rings, dust covers, rubber vibration/sound isolators, solenoid valves, and flexible printed circuits (FPCs). These products are widely used in automobiles, aircraft, marine vessels, construction machinery, agricultural machinery, and various electronic devices such as smartphones and wearable devices.

Pros:
– High market share: NOK boasts a 70% market share in Japan’s oil seals market and…
– Advanced technologies: NOK employs advanced sealing technologies and contributes…
– Diverse applications: Products are used in a wide range of fields including auto…
– Global presence: NOK has a strong global supply chain with subsidiaries and prod…

Cons:
– Dependence on specific markets: A significant portion of NOK’s sales come from t…
– High competition: Despite its market share, NOK faces competition from other glo…

CHINA NOK SEAL KIT

Product Details: JSP seals offer a comprehensive range of NOK seal kits, including metric and inch specifications. These seal kits are designed for various applications such as hydraulic cylinders, pumps, and other machinery. The products are made from materials like Urethane, POM, Nylon, Rubber, Metal Case, and PTFE(Teflon). JSPSEAL has been specializing in the production of hydraulic seals for over 15 years and exports to multiple aftermarket markets including CATERPILLAR, KOMATSU, VOLVO, DOOSAN, HYUNDAI, HITACHI, CASE, JOHN DEERE, XCMG, SANY, SANDVIK, METSO, and ITM.

Pros:
– Complete specifications available in both metric and inch sizes.
– Cost-effective with stable quality.
– Professional production and export experience of over 15 years.
– Products fit perfectly and prevent leaks and damage to equipment.
– Easy installation process.
– Durable and long-lasting performance.

Cons:
– No specific cons mentioned on the website, but general considerations might incl…
– Potential for wear and tear over time, requiring periodic replacement.

Freudenberg in China

Product Details: Freudenberg in China operates across various industries including automotive, energy and chemical, medical and pharmaceutical, textile and clothing, and mechanical and plant engineering. The company has over 70 locations in China, including more than 20 production sites and numerous sales and service offices. The Regional Corporate Center Asia, based in Shanghai, provides centralized support and services. Freudenberg has invested over 2.5 billion RMB (300 million euros) in China over the last decade, with significant projects such as the expansion of the Qingpu site with state-of-the-art research and development facilities, an administration building, and a new training center.

Pros:
– Strong local presence with over 70 locations and more than 20 production sites
– Serves a wide range of industries, including automotive, energy, medical, and mo…
– Significant investments in state-of-the-art research and development facilities
– Centralized support through the Regional Corporate Center Asia in Shanghai
– Various training programs for employees, such as the Freudenberg Leadership Deve…
– Commitment to sustainability and environmental protection

Cons:
– No specific product-related cons mentioned, as the focus is on overall operation…
– No detailed information on potential challenges or drawbacks of the products or…

Group Company

Product Details: Corteco offers a comprehensive range of over 26,000 spare parts, including sealing solutions, vibration control components, and filtration products. The product range includes engine gaskets, transmission seals, vibration control components like engine mounts and suspension mounts, and filtration solutions such as cabin air filters and engine intake air filters. These products are designed for passenger cars, heavy-duty vehicles, two-wheelers, and e-mobility, ensuring OEM quality and precision engineering.

Pros:
– High-quality materials and precision manufacturing ensure durability and superio…
– Comprehensive range of products catering to diverse vehicle needs.
– OE-quality spare parts directly from the OEM, ensuring original setup post-repai…
– Enhanced driving comfort, stability, and overall vehicle dynamics through vibrat…
– Reliable performance in demanding environments such as construction, agriculture…

Cons:
– The extensive product range might make it challenging to find the right part wit…
– No specific mentions of cost-effectiveness or competitive pricing in the provide…

Comparison Table

Company	Product Details	Pros	Cons	Website
NNK Oil Seal				www.nokcn-seals.com
NOK CORPORATION				www.nok.co.jp
NOK Seal Suppliers – NNK Oil Seal	NNK specializes in the production of various types of oil seals, including passenger oil seals, truck seals, valve seals, power steering oil seals, an…	– High quality and high performance seals – Strong delivery ability and fast delivery in large quantities – Customization service with mold research a…	– No specific cons mentioned on the website, but potential delays could occur depe…	www.nokcn-seals.com
leading seals suppliers,manufacturers—XINGTAI NOK-CN …	Type: TA METAL Oil Seal; Material of seal: NBR or FKM; Package: Plastic bag & carton box or according to your requirements. Oil seals are integral in…	– Durable and long-lasting due to high-quality materials like NBR or FKM. – Versatile applications including auto, construction machinery, hydraulics,…	– Specific product details may vary and need to be verified with the manufacturer. – Material compatibility needs to be checked for specific applicati…	nnkoilseal.com
China Nok Seal Factories, Product	Xingtai Xinchi
Video,China NOK – CN Oil Seal Suppliers,engine seal,rear …	The website https://www.nokcn-seals.com/video.html showcases the product production process of NNK factory, a specialized oil seal manufacturer. The v…	– Good wear resistance, tear resistance, and bending strength – Excellent elasticity and high tension – Moderate high temperature resistance (-30 degr…	– No specific cons mentioned in the video section, but potential issues could incl…	www.nokcn-seals.com
Overseas Group Companies	NOK Corporation specializes in the production of sealing products, functional parts, and electronic components. Key products include oil seals, O-ring…	– High market share: NOK boasts a 70% market share in Japan’s oil seals market and… – Advanced technologies: NOK employs advanced sealing technologi…	– Dependence on specific markets: A significant portion of NOK’s sales come from t… – High competition: Despite its market share, NOK faces competit…	www.nok.co.jp
CHINA NOK SEAL KIT	JSP seals offer a comprehensive range of NOK seal kits, including metric and inch specifications. These seal kits are designed for various application…	– Complete specifications available in both metric and inch sizes. – Cost-effective with stable quality. – Professional production and export experien…	– No specific cons mentioned on the website, but general considerations might incl… – Potential for wear and tear over time, requiring periodic repl…	www.jspseal.com
Freudenberg in China	Freudenberg in China operates across various industries including automotive, energy and chemical, medical and pharmaceutical, textile and clothing, a…	– Strong local presence with over 70 locations and more than 20 production sites – Serves a wide range of industries, including automotive, energy, me…	– No specific product-related cons mentioned, as the focus is on overall operation… – No detailed information on potential challenges or drawbacks o…	www.freudenberg.com
Group Company	Corteco offers a comprehensive range of over 26,000 spare parts, including sealing solutions, vibration control components, and filtration products. T…	– High-quality materials and precision manufacturing ensure durability and superio… – Comprehensive range of products catering to diverse vehicle ne…	– The extensive product range might make it challenging to find the right part wit… – No specific mentions of cost-effectiveness or competitive pric…	www.corteco.cn

Frequently Asked Questions (FAQs)

Frequently Asked Questions About NOK Sealing Factories in China

What types of oil seals do NOK sealing factories in China produce?

NOK sealing factories in China produce a wide range of oil seals, including auto oil seals, truck oil seals, industrial oil seals, power steering oil seals, and agricultural machine oil seals. They also manufacture specialized seals like valve stem seals and construction machinery oil seals.

How long has NOK been operating in China?

NOK has a long history in China, with business ties dating back over 100 years. The company has established multiple production sites and sales offices across the country, serving various industries including automotive, energy, and mechanical engineering.

What is the global reach of NOK sealing factories in China?

NOK sealing factories in China export their products to numerous countries worldwide, including Russia, Canada, the United States, Mexico, Iran, and many others. They have established strong international partnerships and supply chains to meet global demand.

What kind of customization services do NOK sealing factories offer?

You can customize your oil seals according to your specific needs. NOK factories provide oil seal customization services, allowing you to design your products based on provided pictures or specifications. They also have advanced mold research and development capabilities to support these custom orders.

What are the quality control measures in place at NOK sealing factories in China?

NOK sealing factories in China adhere to strict quality control measures. From design and molding to surface treatment, vulcanization, and packaging, each procedure is completed within the factory to ensure consistent and reliable quality. They also conduct endurance and performance tests and follow international standard criteria.