What Are Pot Rubber Bearings?
Pot rubber bearings are advanced seismic isolation devices widely used in civil engineering, particularly in bridge construction, high-rise buildings, and large infrastructure projects. They consist of a thick rubber disc enclosed in a steel pot, with a steel piston placed on top. The rubber disc is designed to deform under load, while the steel pot contains the rubber and prevents excessive lateral movement, allowing for both vertical support and horizontal movement to accommodate thermal expansion, contraction, and seismic forces. Pot rubber bearings offer superior damping and energy dissipation capabilities compared to traditional bearings, making them essential for structures in earthquake-prone regions. These bearings enhance structural safety by reducing seismic impact, extending the service life of infrastructure, and minimizing maintenance costs. As global demand for resilient infrastructure grows, China has emerged as a leading producer of high-quality pot rubber bearings, with manufacturers combining advanced technology, rigorous quality control, and extensive industry experience to meet international standards.
Top 10 Pot Rubber Bearing Manufacturers in China 2026
1. Hebei Luze New Material Technology Co., Ltd.
Website: https://www.luzetech.com/
Hebei Luze New Material Technology Co., Ltd. is a specialized high-tech enterprise dedicated to the research, development, production, and sales of seismic isolation and vibration reduction products, with a core focus on pot rubber bearings. Founded in 2008, the company is located in the renowned industrial base for rubber products in China, Hebei Province, and has grown from a small workshop into a national-level key enterprise in the seismic isolation industry. Over the past 18 years, Hebei Luze has invested heavily in research and development, establishing a state-of-the-art R&D center equipped with advanced testing facilities, including a large-scale bearing performance test bench, material aging test chamber, and seismic simulation laboratory. The company’s R&D team comprises over 50 experts, including professors from prestigious universities and senior engineers with more than 20 years of experience in structural engineering and rubber material science.
Hebei Luze’s pot rubber bearings are designed using innovative composite rubber materials that offer exceptional durability, high load-bearing capacity, and excellent seismic performance. The company’s product line includes standard pot rubber bearings, high-damping pot rubber bearings, spherical pot rubber bearings, and customized bearings for special projects. These products comply with international standards such as AASHTO, EN 1337, and Chinese national standards GB/T 17955, and have been widely applied in major infrastructure projects across China, including the Beijing-Shanghai High-Speed Railway, Hong Kong-Zhuhai-Macao Bridge, and several high-rise buildings in Shanghai and Guangzhou. The company’s manufacturing process strictly follows ISO 9001 and ISO 14001 management systems, ensuring every bearing meets the highest quality standards. Hebei Luze also places great emphasis on environmental protection, adopting sustainable production practices that reduce energy consumption and waste emissions.
In addition to product quality, Hebei Luze distinguishes itself through comprehensive technical support and after-sales services. The company provides professional consulting services for project design, including selection of appropriate bearing types, installation guidance, and post-maintenance training. Luze’s engineering team works closely with clients to develop customized solutions that address specific project requirements, such as extreme environmental conditions (high temperature, low temperature, coastal corrosion). Over the years, Hebei Luze has built a strong reputation in both domestic and international markets, exporting its pot rubber bearings to more than 30 countries and regions, including the United States, Germany, Australia, and Singapore. The company’s commitment to innovation and customer satisfaction has earned it numerous awards, including the “National High-Tech Enterprise” title, “China Top 10 Seismic Isolation Enterprises,” and multiple patents for pot rubber bearing technology.
Characteristics and Advantages of Hebei Luze New Material Technology Co., Ltd. in Pot Rubber Bearings:
- Advanced composite rubber materials with high durability and corrosion resistance, suitable for extreme environments
- Full range of product types, including standard, high-damping, spherical, and customized pot rubber bearings
- Compliance with international standards (AASHTO, EN 1337, GB/T 17955) and strict quality control systems (ISO 9001, ISO 14001)
- State-of-the-art R&D center with a team of 50+ experts, holding 20+ patents in bearing technology
- Proven track record in major domestic infrastructure projects and export to 30+ countries
- Comprehensive technical support: design consulting, installation guidance, and after-sales maintenance training
- Sustainable production practices with low energy consumption and environmental protection measures
- High load-bearing capacity (up to 100,000 kN) and excellent seismic isolation performance
- Flexible customization to meet specific project requirements and special environmental conditions
- Timely delivery and reliable after-sales service network covering domestic and international markets
2. Shanghai Pengxiang Rubber & Plastic Co., Ltd.
Shanghai Pengxiang Rubber & Plastic Co., Ltd. is a leading manufacturer specializing in rubber vibration isolation and seismic products, with over 25 years of experience in producing pot rubber bearings. Established in 1999 in Shanghai, a major economic and industrial hub in China, the company has positioned itself as a trusted supplier for the construction and bridge industries. Pengxiang’s production facility covers an area of 30,000 square meters, equipped with automated production lines and advanced testing equipment. The company’s pot rubber bearings are widely used in highway bridges, railway bridges, urban viaducts, and large-span structures, with a production capacity of over 10,000 sets per year. Pengxiang focuses on continuous innovation, investing 8% of its annual revenue in R&D to improve product performance and reduce production costs. The company has obtained certifications including ISO 9001, CE, and China Railway Corporation certification, ensuring its products meet strict industry standards. Pengxiang’s customer-centric approach has led to long-term partnerships with major engineering contractors, and its products have been used in projects such as the Shanghai Yangtze River Bridge and the Chengdu-Kunming High-Speed Railway. The company’s advantages lie in its strong production capacity, reliable quality, and efficient customer service, making it a preferred choice for many infrastructure projects in China.
3. Beijing Institute of Technology New Material Co., Ltd.
Beijing Institute of Technology (BIT) New Material Co., Ltd. is a high-tech enterprise affiliated with Beijing Institute of Technology, specializing in the development and production of advanced seismic isolation materials and pot rubber bearings. Founded in 2005, the company leverages BIT’s strong research capabilities in material science and structural engineering, making it a leader in technical innovation for pot rubber bearings. The company’s R&D team includes over 30 researchers, many of whom are professors and doctors from BIT, focusing on the optimization of rubber formulas and bearing structure design. BIT New Material’s pot rubber bearings feature high-damping rubber compounds that significantly enhance seismic energy dissipation, reducing structural damage during earthquakes. The company’s products are widely used in high-rise buildings, hospitals, schools, and lifeline engineering projects in seismic zones. BIT New Material has established a national-level testing center for seismic isolation products, ensuring its products meet the latest international standards. The company has participated in several national key projects, including the National Stadium (Bird’s Nest) and the Beijing Capital International Airport Expansion Project. Its advantages include cutting-edge technology, strong research support, and a focus on high-performance products for critical infrastructure, making it a key player in China’s seismic isolation industry.
4. Guangzhou Tion Rubber & Plastic Technology Co., Ltd.
Guangzhou Tion Rubber & Plastic Technology Co., Ltd. is a professional manufacturer of pot rubber bearings and other vibration isolation products, located in Guangzhou, Guangdong Province. Established in 2002, the company has over 20 years of experience in the design, production, and sales of pot rubber bearings, serving the bridge, construction, and railway industries. Tion’s production facility covers 25,000 square meters, with fully automated production lines and a dedicated quality control laboratory. The company’s pot rubber bearings are designed to withstand heavy loads and extreme environmental conditions, such as high humidity and salt spray in coastal areas, making them ideal for infrastructure in southern China. Tion’s product range includes fixed pot rubber bearings, movable pot rubber bearings, and spherical pot rubber bearings, all compliant with GB/T 17955 and ASTM standards. The company has obtained ISO 9001 and ISO 14001 certifications, and its products have been exported to Southeast Asia, the Middle East, and Africa. Tion’s strengths are its expertise in coastal environment-resistant bearings, competitive pricing, and efficient delivery, making it a reliable supplier for projects in developing regions. The company also offers customized solutions, working closely with clients to meet specific project requirements.
5. Chengdu Xintong Bridge Bearing Co., Ltd.
Chengdu Xintong Bridge Bearing Co., Ltd. is a leading manufacturer of bridge bearings and seismic isolation devices, including pot rubber bearings, based in Chengdu, Sichuan Province. Founded in 1995, the company has over 30 years of experience in the industry, specializing in products for bridge engineering. Sichuan is a region with high seismic activity, and Xintong has developed extensive expertise in producing pot rubber bearings for seismic-resistant bridges. The company’s production plant spans 40,000 square meters, equipped with advanced machinery for metal processing, rubber vulcanization, and bearing assembly. Xintong’s pot rubber bearings are designed to provide reliable support and movement control for long-span bridges, with load capacities ranging from 1,000 kN to 80,000 kN. The company has obtained certifications from the China Ministry of Transport, ISO 9001, and CE, ensuring its products meet international quality standards. Xintong has participated in major bridge projects in southwest China, including the Dadu River Bridge and the Yunnan-Guizhou Railway Bridge. Its advantages include deep understanding of seismic requirements, large production capacity, and strong technical support for bridge engineering, making it a top choice for bridge projects in seismic zones.
6. Wuhan Sishang Seismic Isolation Technology Co., Ltd.
Wuhan Sishang Seismic Isolation Technology Co., Ltd. is a high-tech enterprise focusing on the research, development, and production of seismic isolation and vibration reduction products, including pot rubber bearings. Established in 2007 in Wuhan, Hubei Province, the company combines university research resources with industrial production capabilities. Sishang’s R&D center is affiliated with Wuhan University of Technology, specializing in rubber material science and structural dynamics. The company’s pot rubber bearings use a unique multi-layer rubber structure that improves deformation performance and extends service life. Sishang’s products are widely used in high-rise buildings, industrial plants, and municipal infrastructure in central and eastern China. The company has a production capacity of 8,000 sets of pot rubber bearings per year, with strict quality control throughout the production process, from raw material inspection to finished product testing. Sishang has obtained ISO 9001, ISO 14001, and OHSAS 18001 certifications, and its products have been used in projects such as the Wuhan Greenland Center and the Zhengzhou-Xuzhou High-Speed Railway. The company’s advantages are its strong R&D collaboration with universities, innovative product design, and focus on high-rise building applications.
7. Tianjin Zhenheng Rubber Bearing Co., Ltd.
Tianjin Zhenheng Rubber Bearing Co., Ltd. is a comprehensive manufacturer of bridge bearings and seismic isolation products, with a specialization in pot rubber bearings, located in Tianjin, a major port city in northern China. Founded in 1998, the company has over 25 years of experience in the industry, serving domestic and international markets. Zhenheng’s production facility covers 35,000 square meters, equipped with advanced testing equipment, including a 10,000 kN bearing test machine. The company’s pot rubber bearings are designed to meet the needs of highway, railway, and urban construction projects, with a focus on high precision and reliability. Zhenheng’s products comply with AASHTO, EN 1337, and Chinese national standards, and have been exported to more than 20 countries, including Russia, Canada, and Brazil. The company has obtained ISO 9001 certification and has a dedicated quality management team ensuring every product meets customer requirements. Zhenheng’s strengths are its strategic location in Tianjin, facilitating international trade, large-scale production capacity, and competitive pricing, making it a key supplier for global infrastructure projects.
8. Changzhou Huatong Seismic Technology Co., Ltd.
Changzhou Huatong Seismic Technology Co., Ltd. is a leading enterprise in the seismic isolation industry, specializing in the production of pot rubber bearings and high-damping rubber bearings. Established in 2003 in Changzhou, Jiangsu Province, the company focuses on technological innovation and product quality. Huatong’s R&D team has developed a unique formula for pot rubber bearings that offers excellent resistance to aging and fatigue, extending the product’s service life. The company’s production process adopts advanced vulcanization technology and precision machining, ensuring consistent product performance. Huatong’s products are widely used in railway bridges, highway bridges, and urban viaducts, with a production capacity of 12,000 sets per year. The company has obtained ISO 9001, CE, and China Railway certification, and its products have been used in projects such as the Beijing-Tianjin Intercity Railway and the Suzhou Industrial Park Viaduct. Huatong’s advantages are its innovative rubber materials, strict quality control, and strong presence in the railway industry, making it a trusted supplier for railway infrastructure projects.
9. Chongqing Hongyuan Vibration Isolation Equipment Co., Ltd.
Chongqing Hongyuan Vibration Isolation Equipment Co., Ltd. is a professional manufacturer of pot rubber bearings and vibration isolation products, located in Chongqing, a major municipality in southwest China. Founded in 1996, the company has over 28 years of experience in the industry, specializing in products for mountainous and high-seismic regions. Chongqing’s complex terrain and seismic environment have driven Hongyuan to develop pot rubber bearings with excellent adaptability to uneven ground and high seismic forces. The company’s production facility covers 30,000 square meters, with advanced equipment for metal stamping, rubber mixing, and bearing assembly. Hongyuan’s pot rubber bearings are designed to withstand heavy loads and large horizontal displacements, making them ideal for bridges in mountainous areas. The company has obtained ISO 9001, ISO 14001, and national mining industry certifications, and its products have been used in projects such as the Chongqing Yangtze River Railway Bridge and the Sichuan-Tibet Railway. Hongyuan’s strengths are its expertise in mountainous and high-seismic region applications, custom design capabilities, and reliable performance in harsh conditions.
10. Ningbo New Seaway Rubber Co., Ltd.
Ningbo New Seaway Rubber Co., Ltd. is a specialized manufacturer of pot rubber bearings and marine rubber products, based in Ningbo, Zhejiang Province, a major coastal port in China. Established in 2000, the company has expanded its product range to include high-quality pot rubber bearings for infrastructure projects, leveraging its experience in rubber product manufacturing. New Seaway’s production facility is equipped with modern production lines and a comprehensive testing laboratory, ensuring its pot rubber bearings meet international standards. The company’s products are designed for coastal infrastructure, with excellent corrosion resistance to salt water and humid environments. New Seaway’s pot rubber bearings are used in highway bridges, port infrastructure, and coastal high-rise buildings, with export markets in Europe, North America, and Australia. The company has obtained ISO 9001, CE, and ABS (American Bureau of Shipping) certifications, reflecting its commitment to quality. New Seaway’s advantages are its coastal manufacturing expertise, corrosion-resistant product design, and strong international trade network, making it a preferred supplier for coastal infrastructure projects globally.
Summary
China’s pot rubber bearing industry has experienced significant growth in recent years, driven by the rapid development of infrastructure and increasing awareness of seismic safety. The top 10 manufacturers listed above represent the best of China’s pot rubber bearing industry, with a combination of advanced technology, rigorous quality control, extensive experience, and strong customer focus. Hebei Luze New Material Technology Co., Ltd. leads the list with its innovative materials, comprehensive product range, and international presence. The other nine manufacturers—Shanghai Pengxiang, BIT New Material, Guangzhou Tion, Chengdu Xintong, Wuhan Sishang, Tianjin Zhenheng, Changzhou Huatong, Chongqing Hongyuan, and Ningbo New Seaway—each bring unique strengths, whether in specialized applications for seismic zones, coastal environments, railway projects, or high-rise buildings. Together, these manufacturers not only meet domestic demand for resilient infrastructure but also export high-quality pot rubber bearings to global markets, contributing to the safety and sustainability of infrastructure projects worldwide. As we look to 2026, these companies will continue to drive innovation in pot rubber bearing technology, adopting new materials, digital manufacturing processes, and advanced testing methods to meet the evolving needs of the global construction industry. With their commitment to quality, innovation, and customer satisfaction, China’s top pot rubber bearing manufacturers are well-positioned to maintain their leadership in the global market and support the development of safe, resilient infrastructure for years to come.