Top Foam Gasket Manufacturers in China

Foam gaskets are versatile sealing components designed to provide reliable protection against dust, moisture, air, water, chemicals, vibration, and noise in a wide range of industrial and commercial applications. Manufactured from compressible foam materials, these gaskets create effective seals between mating surfaces while also offering cushioning, shock absorption, thermal insulation, and vibration damping. Their lightweight construction, flexibility, and excellent recovery properties make them an ideal solution for applications where traditional rubber or solid gaskets may not provide sufficient compression or conformability.

Foam gaskets are produced from various materials, each selected according to the application’s environmental and performance requirements. EPDM foam is widely used for outdoor sealing because of its excellent resistance to weather, ozone, UV radiation, and temperature fluctuations. EVA foam provides outstanding cushioning, flexibility, and impact resistance, making it popular in electronics, appliances, and packaging. PE (polyethylene) foam offers excellent moisture resistance, lightweight performance, and thermal insulation for construction and HVAC systems. PU (polyurethane) foam delivers superior resilience and shock absorption for automotive and industrial equipment, while silicone foam provides exceptional heat resistance, flame retardancy, and electrical insulation for electronics and high-temperature environments. Neoprene foam combines excellent oil, weather, and chemical resistance, and PVC foam is valued for its durability, sealing performance, and cost-effectiveness in general industrial applications.

Foam gaskets are widely used across industries including electronics, automotive manufacturing, HVAC systems, household appliances, telecommunications, battery packs, renewable energy equipment, medical devices, lighting systems, and industrial machinery. Their ability to provide consistent compression, long-term sealing performance, and protection against environmental contaminants makes them essential components in both consumer and industrial products.

China has established itself as one of the world’s largest manufacturers of precision foam gaskets, die-cut foam components, and custom sealing solutions. Supported by advanced converting technologies, automated die-cutting equipment, CNC machining, precision adhesive lamination, and large-scale production capabilities, Chinese manufacturers supply high-quality foam sealing products to OEMs and industrial customers worldwide. Many companies offer customized foam gasket fabrication using advanced materials from globally recognized suppliers while maintaining strict quality control and international certifications such as ISO 9001, IATF 16949, ISO 14001, and RoHS compliance.

This guide highlights the Top 10 Foam Gasket Manufacturers in China (2026), featuring companies recognized for their manufacturing expertise, material innovation, product quality, customization capabilities, and global supply networks. Whether sourcing foam gaskets for electronics, automotive assemblies, HVAC equipment, battery systems, or industrial machinery, these manufacturers provide reliable sealing solutions designed to meet the demanding requirements of modern industries.

How This List Was Created

Selecting the leading foam gasket manufacturers in China requires evaluating far more than production volume alone. For this ranking, companies were assessed using a comprehensive set of criteria that reflects the requirements of OEMs, industrial buyers, and global sourcing professionals seeking high-quality foam sealing solutions.

One of the primary evaluation factors was manufacturing capacity and production capabilities. Preference was given to manufacturers operating advanced production facilities equipped with automated die-cutting, CNC converting, precision slitting, laminating, adhesive bonding, and foam fabrication equipment capable of producing both standard and custom gasket solutions at scale.

The quality and variety of foam materials were also carefully considered. Companies offering premium EPDM, EVA, PE, PU, silicone foam, neoprene, PVC foam, and specialty EMI shielding materials received higher rankings because they can support a broader range of industrial applications and customer requirements.

Manufacturers were further evaluated based on their quality management systems and certifications. Companies certified to internationally recognized standards such as ISO 9001 and IATF 16949 demonstrate consistent manufacturing processes and product quality, particularly for automotive and precision industrial applications.

Another important criterion was OEM and custom manufacturing capabilities. Manufacturers capable of producing custom die-cut foam gaskets, adhesive-backed seals, complex gasket geometries, prototype samples, and application-specific sealing solutions were given additional consideration due to their ability to support diverse customer needs.

The assessment also examined each company’s export experience and international market presence. Manufacturers supplying products to North America, Europe, Southeast Asia, and other global markets were recognized for their ability to meet international quality standards, regulatory requirements, and large-scale production demands.

Strong quality control systems and testing procedures were considered essential. Companies implementing comprehensive inspection processes, dimensional verification, material testing, and performance validation help ensure reliable sealing performance and product consistency.

In addition, manufacturers with dedicated research and development capabilities received favorable consideration for their ability to develop innovative foam materials, improve sealing performance, and create customized solutions for emerging industries such as electric vehicles, battery systems, and advanced electronics.

Finally, the evaluation considered customer reputation, industry experience, and global supply chain capabilities. Companies known for reliable delivery, responsive customer service, technical support, and long-term partnerships with international OEMs were ranked more highly.

The result is a carefully researched list of China’s top foam gasket manufacturers for 2026, providing buyers with a reliable reference for sourcing high-quality foam sealing products for electronics, automotive, HVAC, telecommunications, battery packs, appliances, and industrial equipment.

Manufacturers Overview Table

Top 10 Foam Gasket Manufacturers in China (Detailed Profiles)

China is home to many of the world’s leading foam gasket manufacturers, supplying high-performance sealing solutions to OEMs and industrial customers across global markets. These companies combine advanced manufacturing technologies, precision die-cutting and converting capabilities, strict quality control systems, and extensive material expertise to produce foam gaskets that meet the demanding requirements of modern industries.

The following detailed profiles feature the Top 10 Foam Gasket Manufacturers in China (2026). Each profile provides an overview of the company’s background, foam gasket product portfolio, manufacturing capabilities, certifications, industries served, export markets, official website, social media presence, and three manufacturer-specific FAQs, helping buyers identify reliable suppliers for electronics, automotive, HVAC, battery packs, telecommunications, medical devices, industrial equipment, and other OEM applications.

1. Xiamen Xlong Seal Co., Ltd.

Xiamen Xlong Seal Co., Ltd. is a leading Chinese manufacturer specializing in foam gaskets, rubber gaskets, silicone seals, O-rings, and custom sealing solutions for a wide range of industrial applications. The company combines advanced manufacturing technologies with precision molding and die-cutting capabilities to produce high-quality sealing products for automotive, industrial machinery, electronics, and fluid sealing systems. With a strong focus on OEM manufacturing and product quality, Xlong Seal exports its sealing solutions to customers worldwide.

Key Facts About Xiamen Xlong Seal Co., Ltd.

Website & Social Media

• Official Website: Available
• LinkedIn: Available

FAQs

What foam gasket products does Xiamen Xlong Seal manufacture?

The company manufactures foam gaskets, rubber gaskets, silicone seals, O-rings, and customized sealing solutions for various industrial applications.

Does Xiamen Xlong Seal provide OEM manufacturing services?

Yes. The company offers OEM and custom manufacturing services, including precision die-cutting and molded sealing components tailored to customer specifications.

Which industries use Xiamen Xlong Seal’s products?

Its products are widely used in the automotive, electronics, industrial machinery, and fluid sealing industries.

2. Hebei Shida Seal Group Co., Ltd.

Hebei Shida Seal Group Co., Ltd. is one of China’s largest sealing manufacturers, specializing in EPDM foam rubber seals, sponge rubber gaskets, automotive weatherstrips, extrusion profiles, and custom foam sealing products. The company operates large-scale manufacturing facilities equipped with advanced extrusion, molding, and converting technologies to serve OEM customers worldwide. Its products are recognized for their durability, weather resistance, and consistent sealing performance across demanding industrial applications.

Key Facts About Hebei Shida Seal Group Co., Ltd.

Website & Social Media

• Official Website: Available
• LinkedIn: Available

FAQs

What sealing products does Hebei Shida Seal Group manufacture?

The company manufactures EPDM foam rubber seals, sponge rubber gaskets, automotive weatherstrips, extrusion profiles, and custom sealing products.

Does Hebei Shida Seal Group support OEM projects?

Yes. The company provides OEM manufacturing services and develops customized foam sealing solutions for automotive and industrial customers.

Which industries are served by Hebei Shida Seal Group?

Its sealing products are widely used in the automotive, construction, industrial equipment, and OEM manufacturing sectors.

3. Shanghai Winman Industrial Co., Ltd.

Shanghai Winman Industrial Co., Ltd. is a Chinese manufacturer specializing in Foam-In-Place Gasket (FIPFG) dispensing machines, automated polyurethane gasket production systems, and precision sealing equipment. The company provides advanced gasket dispensing technology for manufacturers producing electrical enclosures, industrial cabinets, control panels, and other precision sealing applications. With strong R&D capabilities and automation expertise, Winman serves customers seeking efficient, high-precision gasket production solutions.

Key Facts About Shanghai Winman Industrial Co., Ltd.

Website & Social Media

• Official Website: Available
• LinkedIn: Available

FAQs

What products does Shanghai Winman Industrial manufacture?

The company manufactures Foam-In-Place Gasket (FIPFG) dispensing machines, automated polyurethane gasket production systems, and precision sealing equipment.

What is the primary application of Winman’s FIPFG systems?

Its equipment is widely used for producing seamless polyurethane gaskets for electrical enclosures, industrial cabinets, and electronic equipment.

Does Shanghai Winman provide customized automation solutions?

Yes. The company offers customized automated gasket dispensing systems designed to meet specific production and sealing requirements.

4. Foam Spirit Industrial Limited

Foam Spirit Industrial Limited is a specialized Chinese manufacturer of custom foam products, EVA foam gaskets, PE foam inserts, polyurethane foam seals, protective packaging, and engineered foam solutions. The company utilizes advanced die-cutting, laminating, CNC converting, and adhesive processing technologies to produce precision foam components for OEM customers. Its products are widely used in electronics, consumer products, packaging, and industrial applications requiring reliable cushioning and sealing performance.

Key Facts About Foam Spirit Industrial Limited

Website & Social Media

• Official Website: Available
• LinkedIn: Available

FAQs

What foam gasket products does Foam Spirit Industrial manufacture?

The company manufactures EVA foam gaskets, PE foam inserts, polyurethane foam seals, and custom-engineered foam components for various industries.

Does Foam Spirit Industrial offer custom die-cut foam solutions?

Yes. The company provides OEM services, including precision die-cutting, laminating, adhesive backing, and customized foam fabrication.

Which industries use Foam Spirit Industrial’s products?

Its foam products are widely used in electronics, consumer goods, industrial manufacturing, and protective packaging applications.

5. CYG TEFA Co., Ltd.

CYG TEFA Co., Ltd. is a leading Chinese manufacturer of cross-linked polyethylene (XLPE) foam, PE foam, thermal insulation foam, and custom foam gasket materials. The company utilizes advanced foam extrusion and converting technologies to produce lightweight, durable, and high-performance foam materials for a variety of industrial applications. Its products are widely used in construction, automotive, HVAC, electronics, and industrial equipment, with strong OEM manufacturing capabilities and an extensive global export network.

Key Facts About CYG TEFA Co., Ltd.

Website & Social Media

• Official Website: Available
• LinkedIn: Available

FAQs

What foam materials does CYG TEFA manufacture?

The company manufactures cross-linked PE foam (XLPE), PE foam, EVA foam, thermal insulation foam, and custom foam gasket materials for industrial applications.

Does CYG TEFA provide OEM foam gasket solutions?

Yes. The company offers OEM manufacturing, precision converting, die-cutting, and customized foam gasket solutions for various industries.

Which industries use CYG TEFA’s foam products?

Its foam materials are widely used in construction, automotive, HVAC, electronics, and industrial equipment manufacturing.

6. Foshan Rong Sheng Long Rubber Seals Co., Ltd.

Foshan Rong Sheng Long Rubber Seals Co., Ltd. is a Chinese manufacturer specializing in EPDM foam gaskets, rubber sealing strips, flange gaskets, PTFE gaskets, and industrial sealing products. The company combines rubber extrusion, molding, and die-cutting technologies to produce reliable sealing solutions for demanding industrial environments. Its products are supplied to customers in the construction, automotive, machinery, and general manufacturing sectors, with customized solutions available for OEM applications.

Key Facts About Foshan Rong Sheng Long Rubber Seals Co., Ltd.

Website & Social Media

• Official Website: Available
• LinkedIn: Available

FAQs

What sealing products does Foshan Rong Sheng Long Rubber Seals manufacture?

The company manufactures EPDM foam gaskets, rubber sealing strips, flange gaskets, PTFE gaskets, and other industrial sealing products.

Does the company provide customized gasket manufacturing?

Yes. It offers OEM and custom manufacturing services for foam gaskets, rubber seals, and application-specific sealing solutions.

Which industries are served by Foshan Rong Sheng Long Rubber Seals?

Its products are widely used in the construction, automotive, machinery, and industrial manufacturing industries.

7. Guangzhou Ning E-Plastics Co., Ltd.

Guangzhou Ning E-Plastics Co., Ltd. is a Chinese supplier of PTFE gaskets, foam sealing materials, engineering plastic gaskets, die-cut sealing components, and custom insulation products. The company provides precision sealing and insulation solutions for industrial customers requiring high-performance materials with excellent chemical resistance and durability. With advanced converting capabilities and OEM manufacturing services, Guangzhou Ning E-Plastics serves customers in chemical processing, industrial equipment, and manufacturing industries worldwide.

Key Facts About Guangzhou Ning E-Plastics Co., Ltd.

Website & Social Media

• Official Website: Available
• LinkedIn: Available

FAQs

What products does Guangzhou Ning E-Plastics manufacture?

The company manufactures PTFE gaskets, foam sealing materials, engineering plastic gaskets, die-cut sealing components, and custom insulation products.

Does Guangzhou Ning E-Plastics provide custom die-cut sealing solutions?

Yes. The company offers OEM manufacturing, precision die-cutting, CNC converting, and customized sealing solutions for industrial applications.

Which industries use Guangzhou Ning E-Plastics’ products?

Its products are widely used in chemical processing, industrial equipment, manufacturing, and engineering applications.

8. Changzhou Egret Manufacturing Co., Ltd.

Changzhou Egret Manufacturing Co., Ltd. is a Chinese manufacturer specializing in EPDM foam tapes, closed-cell foam materials, weather sealing tapes, foam gaskets, and insulation products. The company produces high-quality foam sealing materials designed for weatherproofing, thermal insulation, vibration damping, and industrial sealing applications. Through advanced converting technologies and OEM production capabilities, Changzhou Egret supplies customized foam products to customers in China and international markets.

Key Facts About Changzhou Egret Manufacturing Co., Ltd.

Website & Social Media

• Official Website: Available
• LinkedIn: Available

FAQs

What foam products does Changzhou Egret Manufacturing produce?

The company manufactures EPDM foam tapes, weather sealing tapes, foam gaskets, closed-cell foam materials, and insulation products.

Does Changzhou Egret offer customized foam gasket manufacturing?

Yes. The company provides OEM services, including custom die-cutting, adhesive lamination, and precision foam converting for customer-specific applications.

Which industries are served by Changzhou Egret Manufacturing?

Its foam sealing products are widely used in construction, automotive, HVAC, and building material applications.

9. Ningbo Sunwell Sealing Materials Co., Ltd.

Ningbo Sunwell Sealing Materials Co., Ltd. is a global manufacturer and supplier of die-cut foam gaskets, compression gasket sheets, spiral wound gaskets, and industrial sealing materials. The company offers a comprehensive range of sealing products for high-performance industrial applications, supported by advanced manufacturing facilities and strict quality control systems. With extensive export experience, Ningbo Sunwell serves customers in the power generation, petrochemical, oil & gas, marine, and heavy industrial sectors worldwide.

Key Facts About Ningbo Sunwell Sealing Materials Co., Ltd.

Website & Social Media

• Official Website: Available
• LinkedIn: Available

FAQs

What sealing products does Ningbo Sunwell manufacture?

The company manufactures die-cut foam gaskets, compression gasket sheets, spiral wound gaskets, and a wide range of industrial sealing materials.

Does Ningbo Sunwell provide customized gasket solutions?

Yes. The company offers OEM services, custom gasket fabrication, precision die-cutting, and application-specific sealing solutions.

Which industries use Ningbo Sunwell’s sealing products?

Its products are widely used in power generation, petrochemical, oil & gas, marine, and heavy industrial applications.

10. Hongju Silicone Co., Ltd.

Hongju Silicone Co., Ltd. is a leading Chinese manufacturer specializing in silicone foam gaskets, rubber seals, custom molded elastomer components, and precision sealing solutions. The company combines advanced silicone molding, compression molding, and precision die-cutting technologies to produce high-quality sealing products for demanding OEM applications. Hongju Silicone supplies customized solutions to customers in the electronics, medical device, automotive, and consumer appliance industries, with products exported to markets around the world.

Key Facts About Hongju Silicone Co., Ltd.

Website & Social Media

• Official Website: Available
• LinkedIn: Available

FAQs

What products does Hongju Silicone manufacture?

The company manufactures silicone foam gaskets, rubber seals, custom molded elastomer components, and precision sealing solutions for OEM applications.

Does Hongju Silicone offer custom silicone gasket manufacturing?

Yes. The company provides OEM and custom manufacturing services, including molded silicone parts, die-cut foam gaskets, and application-specific sealing components.

Which industries does Hongju Silicone serve?

Its products are widely used in the electronics, medical device, automotive, consumer appliance, and industrial manufacturing sectors.

Key Facts About China’s Foam Gasket Industry

China has established itself as the world’s leading manufacturing hub for foam gaskets, die-cut foam components, and precision sealing solutions, supported by advanced production technologies, large-scale manufacturing capacity, and a highly developed industrial supply chain. The country’s manufacturers serve both domestic and international markets by supplying high-quality foam sealing products for OEMs, contract manufacturers, and industrial equipment producers.

The industry’s strength lies in its comprehensive foam converting capabilities, including precision die-cutting, CNC processing, laminating, adhesive bonding, waterjet cutting, and custom fabrication. These technologies enable manufacturers to produce highly accurate foam gaskets in a wide range of materials and configurations for diverse industrial applications.

China also possesses strong OEM and private-label manufacturing capabilities, allowing customers to develop customized foam gasket solutions based on specific material requirements, dimensions, performance characteristics, and branding needs. This flexibility has made Chinese manufacturers preferred partners for many global electronics, automotive, and industrial equipment companies.

Rapid growth in electric vehicles (EVs), lithium-ion battery packs, consumer electronics, renewable energy systems, telecommunications infrastructure, and smart home appliances has significantly increased demand for high-performance foam gaskets that provide thermal insulation, vibration damping, moisture protection, and reliable environmental sealing.

To meet these evolving requirements, many manufacturers continue investing in automated production lines, precision inspection equipment, advanced material development, and intelligent manufacturing technologies. These advancements improve production efficiency, product consistency, and quality while supporting increasingly complex sealing applications across modern industries.

Factors to Consider When Choosing a Foam Gasket Manufacturer

Selecting the right foam gasket manufacturer begins with choosing the most appropriate foam material for the intended application. EPDM foam offers excellent weather and ozone resistance for outdoor environments, EVA foam provides superior cushioning and flexibility, PE foam delivers lightweight moisture-resistant insulation, PU foam offers excellent resilience and impact absorption, silicone foam performs well in high-temperature applications, and neoprene foam provides strong resistance to oils, chemicals, and weathering.

Material properties such as foam density, compression set, operating temperature range, flame resistance, water absorption, and chemical compatibility should be carefully evaluated to ensure long-term sealing performance under actual operating conditions. Selecting the correct material helps improve product durability, equipment reliability, and maintenance efficiency.

Manufacturing precision is another important consideration. Companies with advanced die-cutting, CNC converting, laminating, and adhesive application capabilities are better equipped to produce foam gaskets with consistent dimensions, tight tolerances, and high-quality finishes for demanding OEM applications.

For products requiring easy installation, manufacturers should also offer a variety of adhesive backing options, including single-sided and double-sided pressure-sensitive adhesives suitable for different mounting surfaces and environmental conditions.

Buyers should also consider manufacturers that maintain internationally recognized quality certifications, such as ISO 9001 and IATF 16949, as these demonstrate strong quality management systems and consistent production standards, particularly for automotive and industrial applications.

Finally, selecting a manufacturer with proven customization capabilities, engineering expertise, responsive technical support, and reliable delivery performance can provide significant long-term value. Companies that work closely with customers during material selection, prototype development, and production are better positioned to deliver foam gasket solutions that meet specific application requirements while ensuring consistent quality and dependable supply.

Conclusion

China continues to lead the global foam gasket industry through its advanced converting technologies, large-scale manufacturing capabilities, and well-established supply chain. The country’s manufacturers offer an extensive range of precision-engineered foam gaskets produced from high-quality materials such as EPDM, EVA, PE, PU, silicone, and neoprene, serving industries including electronics, automotive, HVAC, telecommunications, renewable energy, medical devices, and industrial equipment.

Selecting a certified and experienced manufacturer is essential for achieving consistent product quality, precise dimensional accuracy, reliable sealing performance, and compliance with international standards. Manufacturers with advanced die-cutting capabilities, strong research and development expertise, comprehensive quality control systems, and flexible OEM services are better positioned to deliver customized solutions that meet the evolving requirements of global customers.

Looking ahead to 2026, China’s foam gasket industry is expected to continue expanding as demand grows for electric vehicle battery sealing, high-performance electronic devices, renewable energy systems, and smart industrial equipment. Continued investment in automated die-cutting technologies, sustainable foam materials, intelligent manufacturing systems, and precision converting processes will further strengthen China’s position as a global leader in innovative foam sealing solutions and reliable OEM manufacturing.

FAQs About Foam Gasket Manufacturers in China (2026)

What materials are commonly used to manufacture foam gaskets?

Foam gaskets are commonly manufactured from EPDM, EVA, polyethylene (PE), polyurethane (PU), silicone foam, neoprene, and PVC foam. Each material offers unique properties such as weather resistance, thermal insulation, cushioning, chemical resistance, or high-temperature performance, making them suitable for different industrial applications.

What is the difference between closed-cell and open-cell foam gaskets?

Closed-cell foam gaskets have a compact cellular structure that resists water, air, dust, and chemicals, making them ideal for sealing applications. Open-cell foam gaskets are softer and more compressible, providing excellent cushioning, sound absorption, and vibration damping but offering less resistance to moisture and air penetration.

How do EPDM foam and silicone foam compare?

EPDM foam provides excellent resistance to weather, ozone, UV exposure, and moisture, making it suitable for outdoor and automotive applications. Silicone foam offers superior performance at extreme temperatures, excellent flame resistance, and outstanding electrical insulation, making it ideal for electronics, medical devices, and high-temperature industrial equipment.

Are adhesive-backed foam gaskets available?

Yes. Many Chinese manufacturers produce foam gaskets with pressure-sensitive adhesive (PSA) backing to simplify installation and improve assembly efficiency. Single-sided and double-sided adhesive options are available depending on the application and mounting surface requirements.

Can foam gaskets be used for IP-rated sealing applications?

Yes. Properly designed foam gaskets are widely used to achieve IP-rated protection for electrical enclosures, telecommunications equipment, control panels, lighting systems, and outdoor electronic devices by preventing the ingress of dust and moisture.

Why are foam gaskets important in electric vehicle battery systems?

Foam gaskets play an important role in EV battery packs by providing environmental sealing, thermal insulation, vibration damping, and protection against dust, moisture, and contaminants. They help improve battery safety, reliability, and long-term performance.

What are EMI shielding foam gaskets used for?

EMI shielding foam gaskets are designed to reduce electromagnetic interference while maintaining environmental sealing. They are commonly used in telecommunications equipment, electronic devices, servers, medical equipment, and industrial control systems where electromagnetic compatibility is critical.

Do Chinese manufacturers offer custom die-cut foam gasket services?

Yes. Most leading manufacturers provide OEM and custom die-cutting services, including CNC converting, adhesive lamination, prototype development, precision cutting, and customized foam gasket fabrication according to customer drawings and specifications.

Which certifications should a reliable foam gasket manufacturer have?

Leading manufacturers commonly maintain certifications such as ISO 9001, IATF 16949 for automotive production, ISO 14001 for environmental management, and compliance with RoHS or REACH requirements where applicable. These certifications demonstrate consistent quality and adherence to international standards.

How should buyers choose a foam gasket manufacturer in China?

Buyers should evaluate manufacturers based on material expertise, manufacturing capabilities, quality certifications, customization services, quality control systems, export experience, production capacity, engineering support, delivery performance, and overall industry reputation. Selecting an experienced and certified supplier helps ensure reliable, high-quality foam gasket solutions for long-term industrial use.