Single Diaphragm Couplings

Single Diaphragm Couplings Market Outlook

The global Single Diaphragm Couplings market is projected to reach approximately USD 3.7 billion by 2035, growing at a CAGR of 6.5% from 2025 to 2035. This growth is primarily attributed to the increasing demand for high-performance couplings in various industries such as aerospace, automotive, and industrial applications. The trend towards automation and advanced machinery is propelling manufacturers to integrate efficient power transmission components, including diaphragm couplings, to enhance operational efficiency and reliability. Furthermore, as industries increasingly focus on minimizing maintenance costs and downtime, the adoption of single diaphragm couplings is expected to rise significantly, supported by their ability to transmit torque smoothly and handle misalignments. The expanding industrial base in emerging economies is also anticipated to further stimulate this market's growth.

Growth Factor of the Market

The growth of the Single Diaphragm Couplings market is driven by multiple factors that collectively enhance market dynamics. For instance, the ongoing industrial revolution and advancements in automation technologies are leading industries to invest in high-quality components that ensure precision and reliability in their operations. Additionally, the increasing emphasis on reducing mechanical failures and enhancing the lifespan of machinery has led industries to seek out diaphragm couplings known for their durability and performance. Moreover, a noticeable trend in the automotive and aerospace sectors towards lightweight components is favoring the adoption of diaphragm couplings made from advanced materials. Another critical growth factor is the globalization of manufacturing operations, which necessitates effective solutions for power transmission across various geographical locations. Lastly, the rising focus on energy efficiency and sustainable manufacturing practices is compelling companies to adopt innovative solutions like diaphragm couplings that minimize energy loss during transmission.

Key Highlights of the Market

• Projected CAGR of 6.5% from 2025 to 2035 indicates robust market growth.
• Increased demand in automation and industrial applications driving market expansion.
• Focus on reducing mechanical failures and enhancing equipment lifespan fueling adoption.
• Shift towards lightweight materials in the automotive and aerospace sectors.
• Increased emphasis on energy efficiency propelling the use of diaphragm couplings.

By Product Type

Stainless Steel Single Diaphragm Couplings:

Stainless steel single diaphragm couplings are gaining traction in various industries due to their excellent resistance to corrosion and high strength. These couplings are designed to handle high torque and provide flexibility, making them suitable for applications where misalignment might occur. Their durability ensures a longer service life, which translates to reduced maintenance costs and downtime for manufacturing operations. The demand for stainless steel couplings is particularly strong in sectors such as aerospace and automotive, where reliability and safety are paramount. The ability of stainless steel to withstand extreme temperatures further enhances its application in industries that operate under harsh conditions.

Aluminum Single Diaphragm Couplings:

Aluminum single diaphragm couplings are widely recognized for their lightweight properties and high resistance to fatigue. These couplings are particularly appealing in applications where weight savings are crucial, such as in automotive and aerospace sectors. The aluminum construction allows for easy handling and installation while providing adequate strength for rotational applications. Additionally, aluminum couplings exhibit good thermal conductivity, making them suitable for applications that require heat dissipation. As industries increasingly focus on reducing weight to enhance performance and fuel efficiency, the demand for aluminum single diaphragm couplings is expected to rise significantly.

Alloy Steel Single Diaphragm Couplings:

Alloy steel single diaphragm couplings are noted for their superior strength and resistance to wear and tear. These couplings are engineered to handle high torque loads and operate effectively in demanding conditions, making them ideal for heavy-duty applications in industrial machinery. The use of alloy steel enhances the performance of the couplings, providing them with the ability to absorb shock loads and accommodate misalignments without compromising their structural integrity. This makes alloy steel single diaphragm couplings particularly suitable for applications in construction, mining, and heavy manufacturing industries where reliability and durability are essential.

Cast Iron Single Diaphragm Couplings:

Cast iron single diaphragm couplings are favored for their robust nature and excellent damping properties. These couplings are widely used in industrial applications where vibration absorption and noise reduction are critical. The heavy-duty construction of cast iron couplings allows them to withstand significant mechanical stress, making them suitable for applications involving large machinery and equipment. Furthermore, cast iron's cost-effectiveness makes it an attractive option for manufacturers looking to balance performance and budget constraints. The demand for cast iron single diaphragm couplings is expected to continue growing as industries seek reliable solutions for power transmission.

Plastic Single Diaphragm Couplings:

Plastic single diaphragm couplings are increasingly popular due to their lightweight and corrosion-resistant properties. These couplings are ideal for applications in environments where traditional metal couplings may suffer from corrosion or chemical exposure. The versatility of plastic materials allows for customization in design and size, catering to specific application requirements. Additionally, plastic couplings are often more cost-effective compared to metal options, making them an appealing choice for various industries. As environmental awareness rises, the demand for plastic single diaphragm couplings is likely to grow, especially in applications that prioritize sustainability and reduced environmental impact.

By Application

Automation Machinery:

The application of single diaphragm couplings in automation machinery is significant due to their ability to handle misalignment, reduce vibrations, and ensure smooth operation. In automated systems where precision is crucial, diaphragm couplings play a vital role in maintaining the integrity of power transmission without introducing additional torque loss. They are particularly beneficial in robotic systems, conveyor belts, and other machinery where efficiency is paramount. As the push for automation in manufacturing continues to grow, the demand for diaphragm couplings in this sector is expected to rise steadily, driven by the need for reliable, high-performance machinery.

Medical Devices:

In the medical device sector, single diaphragm couplings are utilized for their precision and reliability in critical applications. These couplings ensure that medical equipment operates smoothly without mechanical failures, which is essential for devices such as surgical robots, imaging systems, and laboratory automation tools. The stringent regulatory requirements in the medical industry necessitate high-quality components that can maintain performance under various conditions, making diaphragm couplings a preferred choice. As the healthcare industry continues to innovate and evolve, the demand for reliable coupling solutions in medical devices is likely to increase, further driving market growth.

Aerospace & Defense:

The aerospace and defense sectors require components that can withstand harsh conditions and rigorous performance standards. Single diaphragm couplings are employed in various applications, including propulsion systems, avionics, and robotic systems within aircraft. Their ability to absorb shock loads and accommodate misalignments makes them suitable for high-performance environments where failure is not an option. The increasing investments in defense budgets and advancements in aerospace technology are expected to fuel the demand for reliable diaphragm couplings, as these components are critical in ensuring the safety and efficiency of aerospace operations.

Automotive:

The automotive industry is a significant market for single diaphragm couplings, primarily due to the demand for enhanced performance and efficiency in vehicles. These couplings are utilized in various automotive systems, including drivetrains, electric vehicles, and advanced driver-assistance systems (ADAS). The emphasis on reducing emissions and improving fuel efficiency has led manufacturers to seek out innovative coupling solutions that minimize energy losses. As electric vehicles gain traction and the automotive industry continues to evolve, the demand for high-performance diaphragm couplings is anticipated to grow, aligning with the industry's sustainability goals.

Industrial Equipment:

Single diaphragm couplings are extensively used in industrial equipment for their ability to transmit power efficiently and reliably. These couplings are vital in applications such as pumps, compressors, and conveyor systems, where consistent performance is critical. The industrial sector's ongoing efforts to modernize equipment and improve operational efficiency are driving the demand for diaphragm couplings that can handle varying loads and operating conditions. As industries continue to focus on optimizing their processes and minimizing downtime, the adoption of diaphragm couplings in industrial applications is expected to rise significantly.

By Distribution Channel

Direct Sales:

Direct sales play a crucial role in the distribution of single diaphragm couplings, allowing manufacturers to establish strong relationships with their customers. Through direct interactions, businesses can gain a deeper understanding of customer needs and provide tailored solutions that enhance customer satisfaction. Direct sales channels often allow for more competitive pricing, as intermediaries are eliminated, leading to potential cost savings for end-users. Additionally, these channels facilitate better communication regarding product specifications, technical support, and after-sales services, ensuring that customers are well-informed and supported throughout their purchase process. As companies strive to enhance customer loyalty and engagement, direct sales channels are likely to expand their presence in the single diaphragm couplings market.

Indirect Sales:

Indirect sales channels, including distributors, wholesalers, and retailers, are vital for reaching a broader customer base in the single diaphragm couplings market. These channels enable manufacturers to leverage the existing networks of distributors who have established relationships with various industries and sectors. By utilizing indirect sales, companies can enhance their market reach and tap into new customer segments that may be challenging to access through direct sales alone. Indirect sales channels also provide manufacturers with valuable insights into market trends and customer preferences, enabling them to adjust their product offerings accordingly. As the market continues to evolve, the importance of indirect sales channels in distributing diaphragm couplings will remain prominent, facilitating growth and expansion in various regions.

By Material Type

Rubber:

Rubber diaphragm couplings are popular due to their excellent flexibility and vibration-damping properties. They are particularly effective in applications where shock absorption is crucial, as rubber can effectively reduce the transmission of vibrations and noise between connected components. These couplings are commonly used in machinery that operates under varying load conditions, allowing them to accommodate misalignments without suffering from wear and tear. The cost-effectiveness and ease of manufacturing rubber couplings contribute to their widespread adoption across various industries, making them an essential component in modern machinery.

Polyurethane:

Polyurethane single diaphragm couplings are recognized for their superior wear resistance and durability compared to standard rubber options. This material provides excellent performance in applications where high torque and load capacities are required, making them suitable for heavy machinery and industrial applications. The flexibility of polyurethane also allows for better alignment capabilities, which is crucial in maintaining efficient power transmission. As industries increasingly prioritize long-lasting components that minimize maintenance downtime, the demand for polyurethane diaphragm couplings is expected to rise significantly.

PTFE:

PTFE (Polytetrafluoroethylene) diaphragm couplings are gaining popularity in industries that require resistance to chemicals and extreme temperatures. The non-stick properties of PTFE make these couplings ideal for use in corrosive environments where traditional materials would degrade over time. Their ability to withstand harsh conditions without compromising performance is a key factor driving their adoption in sectors such as pharmaceuticals and chemical processing. As industries seek to enhance their operational efficiency and safety, the demand for PTFE diaphragm couplings is anticipated to grow, particularly in specialized applications.

Neoprene:

Neoprene diaphragm couplings are valued for their resilience and resistance to oil, chemicals, and temperature fluctuations. These properties make them suitable for applications in environments that may expose them to harsh elements, ensuring the couplings maintain their performance over time. Neoprene is often utilized in automotive applications and machinery where exposure to fuels and lubricants is common. The versatility and durability of neoprene diaphragm couplings contribute to their growing adoption across various industries, as manufacturers seek reliable solutions for demanding applications.

Silicone:

Silicone diaphragm couplings are often chosen for their high-temperature resistance and outstanding flexibility. This material is suitable for applications in environments where other materials might fail due to heat exposure. Silicone couplings are prevalent in industries such as food processing and pharmaceuticals, where hygiene and temperature control are essential. The non-reactive nature of silicone also makes it an excellent choice for applications requiring clean and safe operations. As manufacturers continue to focus on creating high-performance solutions that meet stringent industry standards, the demand for silicone diaphragm couplings is expected to rise.

By Region

The North American region is poised to dominate the Single Diaphragm Couplings market due to the presence of advanced manufacturing technologies and robust industrial infrastructure. The region is projected to account for approximately 35% of the global market share by 2035. The increasing adoption of automation and the shift toward efficient manufacturing processes are driving the demand for high-quality diaphragm couplings. Additionally, the focus on enhancing the performance of machinery in sectors such as aerospace, automotive, and medical devices plays a significant role in augmenting market growth in this region. Furthermore, the North American market is expected to witness a CAGR of 6.2% between 2025 and 2035, highlighting its potential for growth in the coming years.

In Europe, the Single Diaphragm Couplings market is anticipated to experience substantial growth, fueled by the region's commitment to innovation and technological advancements. Europe is projected to hold approximately 30% of the global market share by 2035, driven by increasing investments in automation and the growing demand for efficient power transmission components. The automotive and aerospace industries in Europe are particularly influential, as manufacturers seek to improve their operational efficiencies through the integration of high-performance components. As sustainability continues to be a driving factor in industrial operations, the demand for diaphragm couplings that enhance energy efficiency is expected to rise, further propelling market growth in the European region.

Opportunities

The Single Diaphragm Couplings market presents numerous opportunities for growth, particularly as industries increasingly adopt advanced technologies. One of the significant opportunities lies in the burgeoning electric vehicle (EV) market, where the demand for efficient power transmission components remains high. As automotive manufacturers pivot towards electrification, the need for lightweight and durable diaphragm couplings tailored for EV applications is expected to rise. Furthermore, the aerospace sector's relentless pursuit of innovative solutions to enhance aircraft performance and fuel efficiency also presents opportunities for the development of specialized diaphragm couplings that cater to these requirements. Manufacturers who can adapt their product offerings to align with these emerging trends will likely find themselves at a competitive advantage in the marketplace.

Additionally, the increasing focus on sustainability and energy efficiency across industries opens up avenues for the development of eco-friendly diaphragm couplings. Companies that prioritize the use of sustainable materials and manufacturing processes can tap into the growing market demand for environmentally conscious products. The rise of automation in various sectors, including manufacturing and healthcare, further emphasizes the need for reliable power transmission solutions, creating an opportunity for diaphragm coupling manufacturers to innovate and enhance their product offerings. By investing in research and development, businesses can create cutting-edge solutions that meet the evolving needs of industries, thereby positioning themselves for success in the future.

Threats

While the Single Diaphragm Couplings market is poised for growth, several threats could impact its trajectory. One of the primary threats is the intense competition among manufacturers, which can lead to price wars and reduced profit margins. As new entrants enter the market with innovative products and competitive pricing strategies, established players may be compelled to lower their prices, affecting overall profitability. Additionally, the rapid pace of technological advancement necessitates continuous innovation, and companies that fail to keep up with industry trends may lose market share to more agile competitors. Furthermore, fluctuations in raw material prices can also pose challenges, as increases can lead to higher production costs that must be managed to maintain competitiveness in the marketplace.

Another significant threat is the potential for economic downturns or instability in key markets. Economic fluctuations can lead to reduced investments in infrastructure and manufacturing, which in turn affects the demand for diaphragm couplings. Companies that heavily depend on specific industries, such as automotive or aerospace, may find themselves vulnerable to industry-specific downturns. Additionally, shifts in regulatory environments and increasing environmental regulations may require manufacturers to adapt their processes and products, which could incur substantial costs and impact profitability. As the market evolves, companies must remain vigilant and agile to navigate these threats effectively.

Competitor Outlook

• Rexnord Corporation
• Lovejoy, Inc.
• Halifax Fan Limited
• Baldor Electric Company
• Altra Industrial Motion Corp.
• Siemens AG
• Thompson Couplings
• KTR Systems GmbH
• Voith GmbH
• Involute Gear & Machine Co.
• Weldon Solutions, Inc.
• Flender GmbH
• SAB Bröckskes GmbH & Co. KG
• Haldex AB
• R+W Antriebselemente GmbH

The competitive landscape of the Single Diaphragm Couplings market showcases a diverse range of players, from established corporations to innovative newcomers. Key industry players are increasingly focusing on research and development efforts to enhance their product offerings and differentiate themselves in a crowded market. Investment in advanced manufacturing technologies and the development of high-performance diaphragm couplings tailored for specific applications are common strategies employed by these companies. Furthermore, collaborations and partnerships with other industry leaders are becoming more prevalent, allowing companies to leverage complementary strengths and expand their market reach. The competitive dynamics are further influenced by the growing demand for sustainable and environmentally friendly products, prompting manufacturers to develop eco-conscious solutions that align with market trends.

Rexnord Corporation is one of the key players in the Single Diaphragm Couplings market, known for its comprehensive portfolio of power transmission components. The company has established a strong reputation for quality and innovation, catering to a wide range of industries, including aerospace, automotive, and industrial applications. Rexnord's commitment to research and development enables it to stay ahead of industry trends and provide cutting-edge solutions. Similarly, Altra Industrial Motion Corp. is recognized for its extensive range of motion control and power transmission products, including diaphragm couplings. The company's focus on customer-centric solutions and its ability to adapt to changing market demands have solidified its position as a leader in the industry.

Another notable company is KTR Systems GmbH, which specializes in drive technology and offers a diverse range of coupling solutions, including single diaphragm couplings. KTR is known for its emphasis on quality and precision, making it a preferred choice for industries that demand high-performance components. Additionally, Siemens AG, a global technology leader, is actively involved in the diaphragm couplings market through its extensive portfolio of industrial solutions. The company's strong focus on innovation and sustainability positions it well to capitalize on emerging market opportunities. In conclusion, the competitive landscape of the Single Diaphragm Couplings market is characterized by a blend of established players and new entrants, all striving to meet the evolving needs of various industries through innovation, quality, and customer-centric solutions.

• 1 Appendix

  • 1.1 List of Tables
  • 1.2 List of Figures

• 2 Introduction

  • 2.1 Market Definition
  • 2.2 Scope of the Report
  • 2.3 Study Assumptions
  • 2.4 Base Currency & Forecast Periods

• 3 Market Dynamics

  • 3.1 Market Growth Factors
  • 3.2 Economic & Global Events
  • 3.3 Innovation Trends
  • 3.4 Supply Chain Analysis

• 4 Consumer Behavior

  • 4.1 Market Trends
  • 4.2 Pricing Analysis
  • 4.3 Buyer Insights

• 5 Key Player Profiles

  • 5.1 Haldex AB
    • 5.1.1 Business Overview
    • 5.1.2 Products & Services
    • 5.1.3 Financials
    • 5.1.4 Recent Developments
    • 5.1.5 SWOT Analysis
  • 5.2 Siemens AG
    • 5.2.1 Business Overview
    • 5.2.2 Products & Services
    • 5.2.3 Financials
    • 5.2.4 Recent Developments
    • 5.2.5 SWOT Analysis
  • 5.3 Voith GmbH
    • 5.3.1 Business Overview
    • 5.3.2 Products & Services
    • 5.3.3 Financials
    • 5.3.4 Recent Developments
    • 5.3.5 SWOT Analysis
  • 5.4 Flender GmbH
    • 5.4.1 Business Overview
    • 5.4.2 Products & Services
    • 5.4.3 Financials
    • 5.4.4 Recent Developments
    • 5.4.5 SWOT Analysis
  • 5.5 Lovejoy, Inc.
    • 5.5.1 Business Overview
    • 5.5.2 Products & Services
    • 5.5.3 Financials
    • 5.5.4 Recent Developments
    • 5.5.5 SWOT Analysis
  • 5.6 KTR Systems GmbH
    • 5.6.1 Business Overview
    • 5.6.2 Products & Services
    • 5.6.3 Financials
    • 5.6.4 Recent Developments
    • 5.6.5 SWOT Analysis
  • 5.7 Thompson Couplings
    • 5.7.1 Business Overview
    • 5.7.2 Products & Services
    • 5.7.3 Financials
    • 5.7.4 Recent Developments
    • 5.7.5 SWOT Analysis
  • 5.8 Halifax Fan Limited
    • 5.8.1 Business Overview
    • 5.8.2 Products & Services
    • 5.8.3 Financials
    • 5.8.4 Recent Developments
    • 5.8.5 SWOT Analysis
  • 5.9 Rexnord Corporation
    • 5.9.1 Business Overview
    • 5.9.2 Products & Services
    • 5.9.3 Financials
    • 5.9.4 Recent Developments
    • 5.9.5 SWOT Analysis
  • 5.10 Weldon Solutions, Inc.
    • 5.10.1 Business Overview
    • 5.10.2 Products & Services
    • 5.10.3 Financials
    • 5.10.4 Recent Developments
    • 5.10.5 SWOT Analysis
  • 5.11 Baldor Electric Company
    • 5.11.1 Business Overview
    • 5.11.2 Products & Services
    • 5.11.3 Financials
    • 5.11.4 Recent Developments
    • 5.11.5 SWOT Analysis
  • 5.12 R+W Antriebselemente GmbH
    • 5.12.1 Business Overview
    • 5.12.2 Products & Services
    • 5.12.3 Financials
    • 5.12.4 Recent Developments
    • 5.12.5 SWOT Analysis
  • 5.13 Involute Gear & Machine Co.
    • 5.13.1 Business Overview
    • 5.13.2 Products & Services
    • 5.13.3 Financials
    • 5.13.4 Recent Developments
    • 5.13.5 SWOT Analysis
  • 5.14 Altra Industrial Motion Corp.
    • 5.14.1 Business Overview
    • 5.14.2 Products & Services
    • 5.14.3 Financials
    • 5.14.4 Recent Developments
    • 5.14.5 SWOT Analysis
  • 5.15 SAB Bröckskes GmbH & Co. KG
    • 5.15.1 Business Overview
    • 5.15.2 Products & Services
    • 5.15.3 Financials
    • 5.15.4 Recent Developments
    • 5.15.5 SWOT Analysis

• 6 Market Segmentation

  • 6.1 Single Diaphragm Couplings Market, By Application
    • 6.1.1 Automation Machinery
    • 6.1.2 Medical Devices
    • 6.1.3 Aerospace & Defense
    • 6.1.4 Automotive
    • 6.1.5 Industrial Equipment
  • 6.2 Single Diaphragm Couplings Market, By Product Type
    • 6.2.1 Stainless Steel Single Diaphragm Couplings
    • 6.2.2 Aluminum Single Diaphragm Couplings
    • 6.2.3 Alloy Steel Single Diaphragm Couplings
    • 6.2.4 Cast Iron Single Diaphragm Couplings
    • 6.2.5 Plastic Single Diaphragm Couplings
  • 6.3 Single Diaphragm Couplings Market, By Material Type
    • 6.3.1 Rubber
    • 6.3.2 Polyurethane
    • 6.3.3 PTFE
    • 6.3.4 Neoprene
    • 6.3.5 Silicone
  • 6.4 Single Diaphragm Couplings Market, By Distribution Channel
    • 6.4.1 Direct Sales
    • 6.4.2 Indirect Sales

• 7 Competitive Analysis

  • 7.1 Key Player Comparison
  • 7.2 Market Share Analysis
  • 7.3 Investment Trends
  • 7.4 SWOT Analysis

• 8 Research Methodology

  • 8.1 Analysis Design
  • 8.2 Research Phases
  • 8.3 Study Timeline

• 9 Future Market Outlook

  • 9.1 Growth Forecast
  • 9.2 Market Evolution

• 10 Geographical Overview

  • 10.1 Europe - Market Analysis
    • 10.1.1 By Country
      • 10.1.1.1 UK
      • 10.1.1.2 France
      • 10.1.1.3 Germany
      • 10.1.1.4 Spain
      • 10.1.1.5 Italy
  • 10.2 Asia Pacific - Market Analysis
    • 10.2.1 By Country
      • 10.2.1.1 India
      • 10.2.1.2 China
      • 10.2.1.3 Japan
      • 10.2.1.4 South Korea
  • 10.3 Latin America - Market Analysis
    • 10.3.1 By Country
      • 10.3.1.1 Brazil
      • 10.3.1.2 Argentina
      • 10.3.1.3 Mexico
  • 10.4 North America - Market Analysis
    • 10.4.1 By Country
      • 10.4.1.1 USA
      • 10.4.1.2 Canada
  • 10.5 Middle East & Africa - Market Analysis
    • 10.5.1 By Country
      • 10.5.1.1 Middle East
      • 10.5.1.2 Africa
  • 10.6 Single Diaphragm Couplings Market by Region

• 11 Global Economic Factors

  • 11.1 Inflation Impact
  • 11.2 Trade Policies

• 12 Technology & Innovation

  • 12.1 Emerging Technologies
  • 12.2 AI & Digital Trends
  • 12.3 Patent Research

• 13 Investment & Market Growth

  • 13.1 Funding Trends
  • 13.2 Future Market Projections

• 14 Market Overview & Key Insights

  • 14.1 Executive Summary
  • 14.2 Key Trends
  • 14.3 Market Challenges
  • 14.4 Regulatory Landscape

Segments Analyzed in the Report

The global Single Diaphragm Couplings market is categorized based on

By Product Type

• Stainless Steel Single Diaphragm Couplings
• Aluminum Single Diaphragm Couplings
• Alloy Steel Single Diaphragm Couplings
• Cast Iron Single Diaphragm Couplings
• Plastic Single Diaphragm Couplings

By Application

• Automation Machinery
• Medical Devices
• Aerospace & Defense
• Automotive
• Industrial Equipment

By Distribution Channel

• Direct Sales
• Indirect Sales

By Material Type

• Rubber
• Polyurethane
• PTFE
• Neoprene
• Silicone

By Region

• North America
• Europe
• Asia Pacific
• Latin America
• Middle East & Africa

Key Players

• Rexnord Corporation
• Lovejoy, Inc.
• Halifax Fan Limited
• Baldor Electric Company
• Altra Industrial Motion Corp.
• Siemens AG
• Thompson Couplings
• KTR Systems GmbH
• Voith GmbH
• Involute Gear & Machine Co.
• Weldon Solutions, Inc.
• Flender GmbH
• SAB Bröckskes GmbH & Co. KG
• Haldex AB
• R+W Antriebselemente GmbH