Are you looking for the best seal manufacturers in China? With China being the world’s largest producer of rubber seals and gaskets, choosing the right manufacturer can be overwhelming. In this article, we’ll compare the top seal factories in China, highlighting their specialties, experiences, and the industries they serve. Let’s dive in and find the perfect fit for your needs.

Oil Seal Manufacturer,Oil Seal Supplier-KDIK

Product Details: KDIK is a professional oil seals manufacturer with over 18 years of experience. They produce a variety of industrial seals, including automobile oil seals, agricultural and construction machinery oil seals, wheel hub oil seals for tractors, valve stem seals, and precision rubber parts. Their products are applicable to various models such as Mitsubishi, Isuzu, Toyota, Nissan, Honda, Volvo, and more. They also manufacture seals for farming equipment, harvesters, tractors, and trucks from brands like KUBOTA, JOHN DEERE, JCB, and FIAT. The seals are designed for high performance, extended equipment life, and enhanced productivity, ensuring the best fit, maximum stability, and

reliability in applications.

Pros:
– Advanced technology and production equipment
– High-performance seals designed for extended equipment life and enhanced product…
– Wide range of applications including automobiles, agricultural, and construction…
– Ability to accept custom and OEM design orders
– Products exported to over 100 countries, indicating global reliability

Cons:
– No specific information on warranty or post-sale support duration
– No detailed pricing information available on the website
– Dependence on advanced production equipment may lead to higher costs if not mana…

The Sealing Specialists

Product Details: Parker Stat-O-Seals are one-piece, molded-in-place seals with the rubber sealing element mechanically and/or chemically bonded to the metal retainer. They are designed to seal immediately under the head of a bolt and are available in various series, including the 600 Series for English unit fasteners, NAS1523 Series for applications requiring conformity to NAS1523, and 610 Series for metric unit fasteners from 5mm to 22mm. The Stat-O-Seal features a pre-calculated interference factor built into the teardrop-shaped elastomeric seal, ensuring proper compression without exceeding the elastic limit of the seal.

Pros:
– No machined O-ring grooves are required in the mating flange.
– Precisely controlled optimum percent squeeze eliminates over compression.
– The retainer edge is visible after installation, allowing for easy visual inspec…
– The self-centering design provides easy and accurate placement of the seal.
– The solid metal to metal contact improves joint stability and eliminates re-torq…
– Long reliable service and a high level of reusability.
– Rubber/bolt interference provides for easy assembly.

China Security seals, Plastic seals, Container seals, Bolt seals …

Seal Maker China Co., Ltd.

Product Details: Seal Maker is a global manufacturer of high-quality plastic and elastomer semi-finished products, including tubes and rods for the production of lathe-cut seals. They offer a wide range of materials such as NBR, EPDM, FPM, TFE/P, and Silicone. The company also provides CNC lathes and specialized tools for machining these semi-finished products. Their products are used in various sealing applications and are subject to strict quality control.

Pros:
– High-quality semi-finished materials with a wide range of thermal and chemical d…
– State-of-the-art research and development through an in-house lab
– Custom designs available in all materials with short delivery times
– Global presence with offices in Austria, Singapore, and China
– Comprehensive range of CNC machines and specialized tools

Cons:
– No specific pricing information available on the website
– Limited information on the website for specific product applications or case stu…
– No direct customer reviews or testimonials available on the website

SINOSEAL

Product Details: China SNS Pneumatic is a leading manufacturer of pneumatic components. Their products include pneumatic cylinders, air hoses, and other pneumatic accessories. The company adheres to ISO9001 standards and offers a wide range of products such as the CD85 Series Pneumatic European Standard Cylinder, CDM2B Series Pneumatic Cylinder Kits, and ACLW series Spiral Air Hose. These products are made from materials like PU and are designed for various applications including air, water, and non-corrosive oil environments.

Pros:
– High-quality products adhering to ISO9001, CE, CCC standards
– Wide range of pneumatic components available
– Global shipping to Asia, Europe, North America, South America, Africa, and Ocean…
– Flexible payment terms including T/T, MasterCard, VISA
– OEM business accepted

Cons:
– Delivery times can be lengthy for large orders (10-15 days)
– Limited information available on specific product warranties

China Mechanical Seals Manufacturer/Supplier/Factory …

Product Details: SECOM offers a wide range of industrial power electronics products including AC/DC power converters, LV and MV drives, and special application products. Their AC/DC power converters are designed for high performance and reliability, with features such as natural air cooling systems and redundant forced air or water cooling. They also provide medium voltage conversion modules, traction products, and customer-specific solutions. In addition, SECOM is known for its security services, including online security systems, fire protection, medical, insurance, and geospatial services.

Pros:
– High-quality and reliable products
– Wide range of applications including industrial, traction, and special applicati…
– Advanced cooling systems for efficient operation
– Comprehensive security services with around-the-clock monitoring and emergency r…
– Global presence with services in multiple countries

Cons:
– Complex installation and maintenance requirements for some products
– High initial investment for advanced systems
– Dependence on specialized maintenance and upkeep for security equipment

ALL SEAL SUPPLIES LLC- Import Customs Data Records

Product Details: All Seals Inc. is a full-line stocking distributor of seals, gaskets, O-rings, adhesives, lubricants, plastic, metal, and molded rubber parts. They offer a wide range of products including O-rings, hydraulic seals, U-cups, piston cups, vee packings, wipers, lathe cuts, Teflon products, mechanical shaft seals, gaskets, braided packings, bearing guards, sealants, adhesives, lubricants, silicone fluids & greases, and more. They also provide custom molded rubber and plastic parts, and technical and application assistance.

Pros:
– Extensive product range to meet various industry needs
– Customization capabilities to fit specific customer requirements
– Technical and application assistance available
– High-quality products with advanced manufacturing technologies

Cons:
– No specific information on pricing or cost-effectiveness
– May require additional time for custom orders
– Dependence on the quality of the materials and manufacturing processes

China Rubber Oil Seal Manufacturers

Product Details: NNK offers a wide range of rubber oil seals, including power steering oil seals, TC and TG4 rubber oil seals, construction machinery oil seals, valve stem seals, and cassette wheel hub oil seals. Their power steering oil seals are designed to prevent dust, sand, and water from entering the steering system and keep gears lubricated. The TC and TG4 rubber oil seals are used for shaft sealing, motors, pumps, transmissions, and various reciprocating operations, featuring good static sealing, thermal expansion compensation, and reduced risk of corrosion. Construction machinery oil seals are available for motor, gear reducer, gearbox, pump, and other

applications, emphasizing strong sealing effects and reduced friction. Valve stem seals have optional low friction designs and can withstand aggressive corrosives, ensuring long-term emissions control and service life. Cassette wheel hub oil seals have been optimized for reliability, reduced failure rates, and extended service life.

Pros:
– Complete range of models and sizes available
– Quality assurance with NBR80-90 materials
– Prevent leakage, eliminate pollutants, and reduce friction
– Good static sealing and thermal expansion compensation
– Strong sealing effects and reduced friction in construction machinery
– Long-term emissions control and service life for valve stem seals
– Improved reliability and extended service life for cassette wheel hub oil seals

Cons:
– No specific information on pricing or cost-effectiveness
– No detailed information on warranty or after-sales support
– No mention of certifications or compliance with international standards

Hydraulic seal distributors in China for …

Product Details: Hallite’s hydraulic seal distributors in China offer a wide range of fluid power sealing solutions, including rod seals, piston seals, wiper seals, O-rings, and custom-molded and machined seals. These products are designed for various applications such as construction, infrastructure, agriculture, and general industrial use. Key products include 506 wear rings, OptiSeal® low-friction seals, and large diameter custom-seals. The distributors are strategically located across China, including cities like Guangzhou, Beijing, Dalian, Xiamen, Shanghai, Chengdu, Fuzhou, Hangzhou, Nanjing, and others, ensuring timely and efficient delivery of products to customers.

Pros:
– Strategically located distributors across China for timely delivery
– Wide range of fluid power sealing solutions available
– Products designed for demanding conditions in various industries
– Custom-molded and machined seals available for specific applications
– Strong support for OEM accounts

Cons:
– No specific product pricing information available on the distributor page
– Limited information on the website about the technical specifications of each pr…
– No direct online purchasing option; customers must contact distributors directly

Top 10 Rubber Seals Manufacturers and Suppliers in China

Comparison Table

Company	Product Details	Pros	Cons	Website
Oil Seal Manufacturer,Oil Seal Supplier-KDIK	KDIK is a professional oil seals manufacturer with over 18 years of experience. They produce a variety of industrial seals, including automobile oil s…	– Advanced technology and production equipment – High-performance seals designed for extended equipment life and enhanced product… – Wide range of a…	– No specific information on warranty or post-sale support duration – No detailed pricing information available on the website – Dependence on advance…	www.china-oilseals.com
The Sealing Specialists	Parker Stat-O-Seals are one-piece, molded-in-place seals with the rubber sealing element mechanically and/or chemically bonded to the metal retainer….	– No machined O-ring grooves are required in the mating flange. – Precisely controlled optimum percent squeeze eliminates over compression. – The reta…		www.allsealsinc.com
China Security seals, Plastic seals, Container seals, Bolt seals …				www.allsecurityseal.com
Seal Maker China Co., Ltd.	Seal Maker is a global manufacturer of high-quality plastic and elastomer semi-finished products, including tubes and rods for the production of lathe…	– High-quality semi-finished materials with a wide range of thermal and chemical d… – State-of-the-art research and development through an in-house…	– No specific pricing information available on the website – Limited information on the website for specific product applications or case stu… – No…	www.seal-maker.com
SINOSEAL	China SNS Pneumatic is a leading manufacturer of pneumatic components. Their products include pneumatic cylinders, air hoses, and other pneumatic acce…	– High-quality products adhering to ISO9001, CE, CCC standards – Wide range of pneumatic components available – Global shipping to Asia, Europe, North…	– Delivery times can be lengthy for large orders (10-15 days) – Limited information available on specific product warranties	en.sns-china.com
China Mechanical Seals Manufacturer/Supplier/Factory …	SECOM offers a wide range of industrial power electronics products including AC/DC power converters, LV and MV drives, and special application product…	– High-quality and reliable products – Wide range of applications including industrial, traction, and special applicati… – Advanced cooling systems…	– Complex installation and maintenance requirements for some products – High initial investment for advanced systems – Dependence on specialized maint…	www.china-sealcon.com
ALL SEAL SUPPLIES LLC- Import Customs Data Records	All Seals Inc. is a full-line stocking distributor of seals, gaskets, O-rings, adhesives, lubricants, plastic, metal, and molded rubber parts. They of…	– Extensive product range to meet various industry needs – Customization capabilities to fit specific customer requirements – Technical and applicatio…	– No specific information on pricing or cost-effectiveness – May require additional time for custom orders – Dependence on the quality of the material…	importkey.com
China Rubber Oil Seal Manufacturers	NNK offers a wide range of rubber oil seals, including power steering oil seals, TC and TG4 rubber oil seals, construction machinery oil seals, valve…	– Complete range of models and sizes available – Quality assurance with NBR80-90 materials – Prevent leakage, eliminate pollutants, and reduce frictio…	– No specific information on pricing or cost-effectiveness – No detailed information on warranty or after-sales support – No mention of certifications…	www.nokcn-seals.com
Hydraulic seal distributors in China for …	Hallite’s hydraulic seal distributors in China offer a wide range of fluid power sealing solutions, including rod seals, piston seals, wiper seals, O-…	– Strategically located distributors across China for timely delivery – Wide range of fluid power sealing solutions available – Products designed for…	– No specific product pricing information available on the distributor page – Limited information on the website about the technical specifications of…	hallite.com
Top 10 Rubber Seals Manufacturers and Suppliers in China				hongjusilicone.com

Frequently Asked Questions (FAQs)

Frequently Asked Questions About Seal Factories in China

What types of seals do Chinese factories typically produce?

Chinese seal factories produce a wide range of seals, including oil seals, O-rings, rubber molded parts, axle seals, crankshaft seals, and mechanical seals. These seals are designed for various applications such as automotive, aerospace, construction machinery, and industrial equipment. You can find seals made from different materials, including rubber, stainless steel, PTFE, and more, to suit different industry needs.

Where are the main seal factories located in China?

The main seal factories in China are located in several key regions. For example, MFC Sealing Technology has factories in Shanghai, Huizhou, and Taoyuan. Shanghai SCG Seals Co., Ltd. has production bases in Shanghai and Nanjing. Xingtai Honglei Seal Manufacturing Co., Ltd. is based in Hebei Province. These locations are strategically chosen to leverage local resources and expertise.

What quality certifications do these factories hold?

Chinese seal factories often hold various international quality certifications. For instance, MFC Sealing Technology and Shanghai SCG Seals Co., Ltd. are certified with IATF 16949, which is a standard for the automotive industry. Xingtai Honglei Seal Manufacturing Co., Ltd. holds ISO 9001:2000 certification. These certifications ensure that the products meet high-quality and safety standards.

Can Chinese seal factories handle custom and OEM orders?

Yes, many Chinese seal factories are capable of handling custom and OEM orders. Companies like Xingtai Honglei Seal Manufacturing Co., Ltd. and Shanghai SCG Seals Co., Ltd. accept customer designs and offer OEM services. They have professional R&D teams and advanced production equipment to develop and produce customized seals according to your specific requirements.

What is the production capacity of these factories?

The production capacity of Chinese seal factories is quite impressive. For example, MFC Sealing Technology’s Huizhou factory produces over 1 billion pieces annually, while Shanghai SCG Seals Co., Ltd. can produce 600,000 oil seals per day. Xingtai Honglei Seal Manufacturing Co., Ltd. produces over 10,000 oil seals daily. This high production capacity ensures that they can meet large-scale demands efficiently.