Top 10 Compensator Manufacturers in 2023


Country: China

Founded: 1999

About the company:

AEROSUN Co., Ltd. (hereinafter referred to as AEROSUN “, stock code” 600501 “) was established on September 30, 1999 and listed on Shanghai Stock Exchange on June 15, 2001.

After the establishment of the company, which was formerly the cradle of China’s modern national industry, it was successively subordinated to the Ministry of Weapon Industry and the Ministry of Aerospace Industry, and is now a large comprehensive equipment manufacturing enterprise controlled by China Aerospace Science and Industry Group Co., Ltd.

The company takes the nuclear equipment industry and intelligent manufacturing industry as the important development direction, and covers logistics support equipment, environmental protection equipment, energy equipment, industrial infrastructure, scientific research and production services and other fields.

There are 7 industrial parks in Nanjing, Shanghai, Shenyang and other cities, with 4 branches, 5 joint-venture holding subsidiaries, 2 wholly-owned subsidiaries and 4 joint-stock companies, and a nationwide marketing service network.

The company has always been deeply involved in the nuclear industry, taking the opportunity of nuclear waste transfer, processing equipment and large-scale complete equipment manufacturing to expand the field of nuclear equipment.

Guided by technology and in the form of project management, the company has formed a talent team with experience in nuclear product development, on-site construction and project management to provide users with complete sets of equipment and related product services.

The company has established Jiangsu Provincial Enterprise Academician Workstation, Jiangsu Provincial High grade CNC Machine Tool and Complete Equipment Innovation Center Sub center, is the director unit of Intelligent Manufacturing Professional Committee of Jiangsu Automation Society, the secretary general unit of Jiangsu Intelligent Manufacturing Industry Alliance, and is a member unit of National Automation Standardization Expert Committee, Jiangsu Artificial Intelligence Industry Development Alliance, and Nanjing Industrial Internet Industry Alliance Expert Committee.

In recent years, the company has achieved breakthroughs in intelligent manufacturing core components and intelligent manufacturing system integration technology, and many core technologies and achievements have reached the domestic or international advanced level.

The company has 15 experts who enjoy the special government allowance of the State Council.

As an important research and production base for special purpose vehicles in China, the company produces sanitation vehicles that serve the whole country.

The company has the production license for civil aviation airport refueling vehicles, is a post safety equipment design and manufacturing license, and is a member of the American Expansion Joint Manufacturers Association (EJMA);

With the authorization certificate and steel seal of “U”, “U2” and “S” products specified in the American ASME Code, and the design and manufacturing qualification of Class A1, A2 and C2 pressure vessels;

As a world famous research and development and production base for bronze artworks, it has undertaken and successfully completed major central gift projects for many times, and the artistic engineering products it has undertaken are well-known at home and abroad.


Country: Germany

Founded: 1954

About the company:

Founded in 1854, Germany Weizmann Group is one of the advanced manufacturers of flexible metal components.

Its products include metal hoses, compensators, expansion joints, metal bellows and auto parts. In 1885, Heinrichwitzenmann invented the metal hose, which laid the foundation for today’s metal components.

After 125 years of trials and hardships, Weizman Group has become one of the advanced manufacturers in the field of flexible metal components.

In 2016, more than 4100 employees of the Group generated sales of more than 570 million euros. Weizmann Metal Products (Jiangyin) Co., Ltd., a subsidiary of Weizmann Group, is located in Jiangyin, Jiangsu Province, China. The company was founded in August 2001 and has a sales office in Shanghai.

Witzman has a wide range of products in the industrial industry. Witzman can provide engineering solutions for vibration decoupling, temperature motion compensation, installation support and various transmission media.

Witzman has its own machinery, tools and sample manufacturing technology, as well as a variety of testing and detection equipment.

Witzman has a large number of experienced and innovative engineers who are committed to developing products and providing process support for existing and new applications.

In the world’s major markets, Weizmann has won a good reputation for its product quality.


Country: China

Founded: 2005

About the company:

CSSC SUNRU (Luoyang) Special Equipment Co., Ltd., founded in November 2005, is a combination of the original 8th, 10th and 12th research rooms of the 725th Research Institute of China Shipbuilding Corporation.

It is engaged in metal bellows expansion joints, special metal material pressure vessels, bridge accessories, special steel castings and forgings, and special metal material parts.

It is a key high-tech enterprise under the National Torch Program for research and manufacturing of high-pressure gas cylinders and natural gas storage and transportation equipment.

It has an enterprise technology center, Henan Pipeline Compensation Engineering Technology Research Center, an advanced antifriction and wear-resistant technology engineering laboratory, an engineering laboratory for the application of special steel and corrosion resistant alloy materials, and a post doctoral research station.

It has undertaken a number of national projects and 863 projects, presided over the preparation of a number of national standards, invested more than 40 million yuan in scientific research annually, and advanced in the design and manufacturing of bridge accessories and metal bellows expansion joints, and the manufacturing of special metal material heat exchangers, special steel castings and forgings, and high-pressure gas cylinders in China.

Guided by the principle of “science and technology oriented, innovation and leap forward, enriching the military for the people, and strengthening the industry”, the company has formed a high-tech product industry base with a complete supporting special equipment development, production, test and testing system.

It has domestic cutting-edge R&D and production capacity. Its products have been widely used in petrochemical, transportation, urban central heating, electric power, metallurgy and other industries, and are moving towards the domestic and foreign markets in multiple directions.

Since its establishment, adhering to the strategic policy of “science and technology oriented, innovation and leap forward, enriching the military for the people, and strengthening the industry” of the 725 Institute of CSIC, with the mission of committing to the safe and economic operation of China’s industrial pipelines, bridge buildings, special environmental equipment and components, and pursuing the realization of employees “The people-oriented concept of achieving career and enjoying life has formed a high-tech product industrial base with a complete supporting system for the development, production, test and testing of special materials and products.

The products have been widely used in transportation, shipping, petrochemical, metallurgy, power and other industries, and exported to Europe, America and other countries and regions.

4. Taide Pipe

Country: China

Founded: 1992

About the company:

Qinhuangdao Taide Pipe Industry Technology Co., Ltd. is a national high-tech enterprise specializing in the R&D, design, manufacturing and inspection of metal bellows expansion joints, metal hoses, blast furnace air supply devices, non-metallic expansion joints and other products.

Tede’s products have been widely used in national defense industry, petrochemical industry, metallurgical steel, coal chemical industry, power, gas, HVAC, engine and automobile industries.

It is an important supporting enterprise of flexible pipe fittings for national large-scale projects. Its products, which account for one third of the total output, have been exported to the United States, Japan, Europe and other countries and regions.

In 2016, Ted formed a strategic cooperation alliance with Pathway, a world-famous expansion joint manufacturer in the United States, to provide customers with high-quality flexible pipe connection overall solutions with global professional technology and complete industrial chain, especially in the field of high-pressure and high-temperature expansion joints.

Ted is located in Qinhuangdao, a seaside city, a summer resort and holiday resort in China, 280 kilometers from Beijing and 180 kilometers from Tianjin Port.

Founded in 1992, Ted has an existing factory area of 81000 square meters, a modern standard workshop of 61000 square meters, 480 employees and offices in Beijing, Shanghai, Guangdong and other places.

After nearly 30 years of development, Ted has become a product manufacturer with large scale, strong strength and unique competitive advantages in the same industry in China.

Ted has independent R&D capability, and has a number of patented technologies in expansion joint products, blast furnace air supply device products and metal hose products.

Tede’s integrated management policy: gather scientific and technological elites, use refined materials to make high-quality products, seek sincere service, create a green environment, and ensure occupational health.

“Learning” and “innovation” will always be the two major themes of Ted’s development.

The constant philosophy of Ted is to be refined, sincere and farsighted. Our goal is to make Ted’s products and brands all over China and the world.

5. BOA

Country: China

Founded: 2008

About the company:

Boa (Shanghai) Bellows Technology Co., Ltd. is the production and sales center of Boa Group in the Asia Pacific region.

Boa Group is one of the manufacturers of friction metal components: hoses and their components, hydraulic and flush forming bellows, expansion joints and shock absorbers.

Based on experience from different production plants – Germany, Switzerland, France, the Netherlands, China and the United States – Boa Group designs, manufactures and sells its products and complete solutions for automotive, aviation and industrial sectors around the world.

Its industrial sector includes three branches, namely, energy, marine, railway and its heavy engines, and industrial processes and equipment.

Boa Group has more than 20 subsidiaries in the world, and Boa Group is still focusing on continuously improving customer service.

Boa Group, with a history of industrial production for many years, established a branch factory in Shanghai, China, in 2008 to provide parts for Chinese automobile and exhaust system manufacturers, and provide services for the industrial industry to produce extrusion mechanical components.

Since 2014, Boa has expanded its investment and established an engineering center to directly provide fast engineering services to Chinese customers.

6. YiDuo

Country: China

About the company:

Dalian Yiduo Pipeline Co., Ltd. is located in Dalian Changxing Island Economic Zone, covering an area of 200000 square meters.

It is a high-tech enterprise integrating research and development, design, manufacturing of expansion joints, compensators, insulation pipes and other products and providing related technical services.

The company has an advanced product production line in China, which can manufacture 12 meter diameter bellows expansion joint, DN1800 six forms of sleeve compensator, DN1800 spherical compensator, DN1800 rotary compensator, DN1200 five forms of steam insulation pipe, DN1800 nine forms of polyurethane insulation pipe, multiple forms of pipeline leakage monitoring system and other products.

It has an advanced position in pressure pipeline design, river crossing pipeline scheme design, pipeline leakage monitoring system design and installation, and can provide users with design, manufacturing, installation, maintenance and other multi-directional system services.

The enterprise has a research and development team composed of national experts, and has established a sound research and development system.

At present, it has obtained more than 100 product invention and utility model patents, added more than 10 breakthrough innovations every year, and participated in the preparation of more than 20 national and industrial standards, making contributions to the development and progress of the industry.

The company can produce expansion joints, compensators, insulation pipes and other series of products according to international standards in Europe, the United States and other countries.

In 2005, the company obtained the Certificate of Conformity for Products Using International Standards issued by the branch supervision department.

Yiduo bellows expansion joints with high temperature, high pressure, large diameter and special materials have been widely used in nuclear power, petrochemical and other industries.

The simple compensator with compound sealing sleeve, the compensator with corrugated protective sleeve, and the spherical compensator have changed the understanding that the compensator is a vulnerable part, redefined the life of the compensator, and achieved the new goal of not less than the life of the pipeline.

The well wall sealing completely solves the problem of water inflow in the well chamber.

The invention of river crossing pipeline makes underwater pipeline as safe as land pipeline.

Ultraviolet resistant pipes and fire-proof pipes enable the prefabrication of overhead pipes and pipes used in pipe racks, and no longer worry about life and safety.

The application of the leakage monitoring system has realized the energy conservation, safety and intelligence of the pipeline, and the pipeline safety information is well known by one mobile phone.

Yiduo mobile insulation pipe production line will be moved to the user’s house in 20 days for on-site production and close service.


Country: China

Founded: 2003

About the company:

Qinhuangdao North Pipe Industry Co., Ltd. is located in Qinhuangdao, a beautiful coastal city.

It is a high-tech enterprise integrating scientific research and development, production and manufacturing.

The company is mainly engaged in the research, development and production of metal bellows expansion joints, blast furnace air supply devices, metal hoses and other series of products, and is the main research and manufacturing base of similar products in China.

The company has a strong technical force. It has an engineering technology research center in Hebei Province.

It not only adopts international advanced standards for product optimization design, but also carries out piping design and fluid mechanics calculation for the project.

It is one of the large enterprises with strong technical force in the same industry.

The company covers an area of 70000 square meters, with a building area of 46321 square meters, and has modern factory buildings and office facilities.

It has complete production facilities and advanced technology, and has more than 400 sets of special production equipment at the domestic leading level.

The company has 453 employees. Among them, there are 144 persons with college degree or above, accounting for 31.7% of the total.

There are 94 engineering professionals, accounting for 21% of the total number, including 1 doctor, 5 masters, 16 senior engineers and 66 engineers.

The company’s enterprise management focuses on product quality management and quality management.

The establishment of the quality management system is based on ISO9001:2008, ISO14,001:2004 and OHSAS18,001:2007.

The company’s products are widely used in metallurgy, petrochemical, power, energy transportation, chemical industry, urban heating, construction, cement and other fields.

In addition to covering 29 provinces, cities and autonomous regions in China, the products are also exported to Türkiye, Malaysia, Vietnam, Thailand, the Netherlands, Japan, Germany, India, Norway and other countries, and are well received by domestic and foreign customers.

In order to meet the needs of the market and customers, the company has specially organized a technical team to set up an environmental protection business department, specializing in the research, development, manufacturing and application of environmental governance products.

At present, the company’s environmental protection products mainly include multi-functional fog monitor, dry fog dust suppression system, water fog cooling system, and unorganized dust control integration platform.

The company will tailor a comprehensive treatment plan to meet the national environmental protection requirements according to the characteristics of on-site dust.

The company adheres to the business philosophy of “creating value for customers, obtaining benefits for employees, accumulating wealth for the enterprise, and making contributions to the society”, and adheres to the development policy of strategic guidance, leading scientific research, customer first, and quality first.

As always, the company will welcome guests from all over the world with high-quality products, excellent services, and good reputation.

8. Jinlong

Country: China

Founded: 1984

About the company:

Wuxi Jinlong Petrochemical Metallurgical Equipment Manufacturing Co., Ltd., a private limited liability company, was founded in November 1984 and was restructured from the original Wuxi Jinlong Corrugated Compensator Factory.

The company mainly deals in petrochemical and metallurgical equipment such as pressure vessels, compensators, blast furnace blast dehumidification devices, etc.

The company has a registered capital of 110 million yuan and covers an area of about 100000 square meters.

The company is a high-tech enterprise in Jiangsu Province, with a provincial engineering technology research center.

Engaged in research and manufacturing of metal, non-metal, sleeve and rotary compensators, pressure vessels, various energy-saving thermal insulation, cold insulation and low friction coefficient sliding bearings, and high-performance prefabricated buried insulation pipes.

The company’s self-cleaning air filter, blast furnace blast dehumidification device and various gas dehumidification devices were rated as high-tech products in Jiangsu Province.

It is one of the main bases and export bases for producing and researching such products in China.

The company has dozens of products such as compensator, blast furnace dehumidification, prefabricated buried insulation pipe, insulation support and hanger.

The company has more than 600 sets of various welding and cutting, cold processing, metal processing, inspection and other equipment, of which the important equipment are CNC and digital display.

With a span of 5 meters of corrugated pipe hydraulic molding equipment and a complete set of mold;

Large automatic and manual shot blasting room and paint room with high standard requirements.

The company has passed the ISO9001: 2008 quality system certification, obtained the pressure pipe manufacturing license (Class A) issued by the General Administration of Quality Supervision, Inspection and Quarantine, and has the A2 level pressure vessel design and manufacturing license and the ASMEU steel seal certificate.

It is a secondary enterprise of safety production (machinery) standardization.

With high-quality products and perfect after-sales service, the company has won the trust, support and close cooperation of many Chinese and foreign customers, such as HQC, Sinopec, Hualu Engineering, Seding Engineering, Degussa, MaisonWorleyParsons, Flowserve, SNC-LAVLAIN, EXPRO, CMR, DowChemical, Nippon Steel, Formosa Plastics, Baosteel, Masteel, WISCO, Ansteel and Shagang.

In recent years, the company has continuously strengthened the construction of spiritual civilization and corporate culture, vigorously advocated the enterprise spirit of “unity, striving, being realistic and devoting”, established the enterprise concept of “being ambitious and down-to-earth” in the minds of employees, and gradually formed the enterprise culture with the characteristics of Wuxi Golden Dragon.

9. Asia Pacific

Country: China

Founded: 1985

About the company:

Jiangsu Asia Pacific Bellows Co., Ltd., founded in 1985, is mainly engaged in the design, development, manufacturing, sales and corresponding services of compensators (expansion joints), non-metallic compensators, constant supports and hangers, spring supports and hangers, metal hoses and non-metallic expansion joints.

The enterprise has a variety of advanced design, manufacturing, testing and other equipment; The factory has 450 employees, including 78 engineers and technicians.

Over the years, the company has successively developed large corrugated compensator (expansion joint) dedicated to air cooling island of power station, stainless steel shock absorption corrugated compensator (soft joint) dedicated to pump house, pressure balance corrugated compensator, Yantu coal powder pipeline compensator, metal hose, sleeve compensator and non-metallic compensator.

It is a large profit and tax earner with strict internal management An enterprise with stable work style, high quality of staff, strong economic strength, assured product quality and good external image.

Considering the product coverage and market share in recent years, it is relatively high among the industries producing similar products nationwide.

Among many similar enterprises, it has passed the ISO9001 quality management system certification earlier, implemented the Regulations on Safety Inspection of Special Equipment, passed the audit of the General Administration of Quality Supervision, Inspection and Quarantine earlier, and won the National Special Equipment (Class A and B) Manufacturing License.

It has been used in all major oil fields, power systems, metallurgy industries, urban central heating, chemical industries and domestic key projects Oversize enterprises have obtained network access certificates.

The company has the ability of finite element analysis of bellows expansion joints.

It uses relevant software and technology to optimize the design of product structure and performance, and through type inspection and experimental verification, it makes the rigidity and flexibility of bellows reach a good state.

Ensure that the product quality reaches the domestic excellent level.

10. Beite pipe fittings

Country: China

About the company:

Jiangsu Beite Pipe Fittings Co., Ltd. is a large comprehensive enterprise integrating the production and sales of pressure pipe design, pressure pipe components and prefabricated insulation pipes. The company has the pressure pipeline GB2/GC2 design certificate, special equipment pressure pipeline Class A manufacturing license, and special equipment pressure pipeline component combination device certificate.

Beite Company is a major manufacturer of rotary compensator, sleeve compensator and spherical compensator designed and produced globally, with a large market share.

It is also a major manufacturer of metal bellows expansion joints, prefabricated insulation pipes, non-metallic flexible expansion joints, corrugated metal hoses, dampers, heat exchangers, spring supports and hangers, thermal insulation and leakage protection support rolling brackets and other products in China.

The company is located in the modern science and technology industrial park in Jiangyan District, Taizhou City, Jiangsu Province, with convenient transportation.

It is a national high-tech enterprise integrating scientific research, design and production.

With the registered trademark of “Teshun”, the company has various domestic R&D, design, production, processing and testing equipment, and its business and products are provided with one-stop service.

Due to the development of China’s industry, there are many pipelines with high temperature and high pressure (≥ 4.0MPa, ≥ 350 ℃) on the market at present, and ordinary compensators can no longer meet the needs of the market.

The company has launched the first to tenth generation BT series high-temperature and high-pressure resistant rotary compensator for such pipelines.

The company has adopted the internationally leading relevant technologies that have obtained invention patent authorization in the United States, Europe, Russia, Canada, Pakistan, ASEAN and other countries, eliminated the welding defects of the rotary compensator, made the temperature of the product under the applicable working condition reach (650 ℃), the operating pressure reach (16MPa), and the safety performance is greatly improved.

With the advantages of safety, economy, high pressure resistance, high temperature resistance and large compensation, this technology is an ideal choice for high temperature and high pressure pipelines.

After years of development, the company has carried out many structural optimization and new structural design for metal corrugated expansion joints.

The Material Research Institute of the Company shall inspect the purchased raw materials before warehousing; The advanced production lines for blanking, welding and forming of corrugated pipes introduced from Japan and Germany ensure the excellent quality of corrugated expansion joints;

The intelligent robot corrugated pipe automatic welding and assembly production line, which is customized with domestic and foreign brands, ensures the welding quality and work efficiency of corrugated expansion joints, and realizes factory production informatization.

At the same time, the company has advanced imported test equipment, such as spectrum analyzer, automatic hydraulic test bench, automatic underwater air pressure test bench, etc., which guarantees that the metal corrugated expansion joints meet the manufacturing requirements of special equipment.

The new prefabricated overhead insulation pipe developed by the company has greatly reduced the temperature drop of the pipeline.

With the unique rolling bearing and insulation pipe support of the company, the temperature drop and pressure drop of high-temperature long-distance transmission pipeline can be greatly reduced.

The company’s products have been recognized by major domestic group companies and won the recognition of customers, and its products and technologies have become the benchmark in the industry.

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