Top 10 HDI Circuit Board Manufacturers in the world 2025

Jan 19, 2026Leave a message

Introduction to HDI Circuit Board

High - Density Interconnect (HDI) circuit boards are a revolutionary advancement in the field of printed circuit boards (PCBs). They are designed to meet the increasing demand for smaller, lighter, and more powerful electronic devices. HDI PCBs achieve higher wiring density through the use of microvias, blind and buried vias, and finer traces and spaces compared to traditional PCBs. This technology enables the integration of more components in a limited space, which is crucial for modern electronics such as smartphones, tablets, wearables, and high - end medical devices. The manufacturing process of HDI circuit boards is more complex and precise, requiring advanced equipment and techniques to ensure high quality and reliability.


Top 10 HDI Circuit Board Manufacturers

1. Shenzhen Tontek Circuits Co., Ltd

Company IntroductionShenzhen Tontek Circuits Co., Ltd is a leading player in the HDI circuit board manufacturing industry. Established in [Year of establishment], the company has been committed to providing high - quality PCB products and services. It is located in Shenzhen, a global hub for electronics manufacturing, which gives it access to a vast supply chain and a pool of skilled labor.


Tontek Circuits has a state - of - the - art manufacturing facility equipped with advanced production and testing equipment. The company adheres to strict quality control systems, ensuring that each HDI circuit board meets international standards. It has a professional R & D team that is constantly working on new technologies and processes to improve the performance and quality of its products.


The company serves a wide range of industries, including consumer electronics, automotive electronics, and telecommunications. Its customers appreciate its ability to provide customized solutions, fast turnaround times, and excellent after - sales service. Tontek Circuits has built long - term partnerships with many well - known companies around the world, which is a testament to its reliability and quality.


Website: https://www.tontekpcb.com/


Features and Advantages in HDI Circuit Board


  • Advanced Manufacturing Technology: Tontek Circuits uses the latest laser drilling and plating technologies to produce microvias with high precision. This allows for the creation of HDI circuit boards with extremely high wiring density, meeting the requirements of the most advanced electronic devices.
  • Customization Capabilities: The company can customize HDI circuit boards according to the specific needs of customers. Whether it is the design of the circuit layout, the choice of materials, or the thickness of the board, Tontek Circuits can provide tailored solutions.
  • Quality Assurance: With a comprehensive quality control system, Tontek Circuits ensures that every HDI circuit board undergoes strict testing before leaving the factory. This includes electrical testing, impedance testing, and visual inspection to guarantee the reliability and performance of the products.
  • Fast Delivery: Thanks to its efficient production management and a well - organized supply chain, Tontek Circuits can provide fast delivery services. This is crucial for customers who need to meet tight production schedules.


2. Unimicron Technology Corporation

Company IntroductionUnimicron Technology Corporation is a global leader in the PCB manufacturing industry, with a strong focus on HDI circuit boards. Founded in 1989, the company has grown to become one of the largest PCB manufacturers in the world. It has manufacturing plants in Taiwan, China, and other countries, allowing it to serve customers globally.


Unimicron has a long - standing reputation for innovation and quality. The company invests heavily in research and development, constantly pushing the boundaries of HDI technology. It has developed a number of proprietary manufacturing processes and technologies, which have been widely recognized in the industry.


The company's product portfolio includes a wide range of HDI circuit boards for different applications, such as smartphones, tablets, and automotive electronics. Unimicron has established partnerships with many leading global electronics brands, providing them with high - quality PCB solutions.


Features and Advantages in HDI Circuit Board


  • Innovative Technology: Unimicron is at the forefront of HDI technology innovation. It has developed advanced processes for creating ultra - fine pitch HDI circuit boards, which are essential for the latest generation of smartphones and other high - end electronic devices.
  • Global Manufacturing Network: With manufacturing facilities in multiple countries, Unimicron can offer local support to its customers around the world. This not only reduces shipping times but also allows the company to better adapt to local market requirements.
  • High - Volume Production Capability: The company has a large - scale production capacity, enabling it to meet the high - volume demand of global electronics manufacturers. Its efficient production processes ensure consistent quality even in large - scale production.
  • Environmental Sustainability: Unimicron is committed to environmental sustainability. It has implemented a number of green manufacturing initiatives, such as reducing waste and energy consumption in the production process.


3. Ibiden Co., Ltd

Company IntroductionIbiden Co., Ltd is a Japanese company with a long history in the PCB manufacturing industry, dating back to 1912. It is known for its high - quality HDI circuit boards and advanced manufacturing technologies. Ibiden has a strong R & D focus, constantly striving to improve the performance and reliability of its products.


The company's HDI circuit boards are widely used in various industries, including telecommunications, automotive, and consumer electronics. Ibiden has a reputation for producing PCBs with high precision and excellent electrical properties. It has manufacturing facilities in Japan, China, and other countries, serving a global customer base.


Ibiden also places great emphasis on quality control. It has a strict inspection system in place to ensure that every HDI circuit board meets the highest standards. The company's commitment to quality has earned it the trust of many well - known companies in the electronics industry.


Features and Advantages in HDI Circuit Board


  • High - Precision Manufacturing: Ibiden is renowned for its high - precision manufacturing capabilities. It can produce HDI circuit boards with extremely fine traces and spaces, which is essential for high - performance electronic devices.
  • Advanced Material Technology: The company has developed advanced material technologies for HDI circuit boards. These materials offer excellent electrical insulation, heat resistance, and mechanical properties, ensuring the long - term reliability of the products.
  • Automotive - Grade Quality: Ibiden's HDI circuit boards are widely used in the automotive industry. The company has met the strict quality and reliability requirements of automotive electronics, making its products suitable for use in harsh environments.
  • Long - Standing Industry Experience: With over a century of experience in the PCB manufacturing industry, Ibiden has accumulated a wealth of knowledge and expertise. This allows it to provide customers with reliable and innovative HDI circuit board solutions.


4. Zhen Ding Technology Holding Limited

Company IntroductionZhen Ding Technology Holding Limited, also known as ZDT, is a major player in the global PCB market, especially in the HDI circuit board segment. The company was founded in [Year of establishment] and has since grown rapidly. It has manufacturing bases in Taiwan, China, and other regions.


ZDT focuses on providing high - quality HDI circuit boards for the consumer electronics industry, particularly smartphones. The company has a strong R & D team that is dedicated to developing new technologies and products to meet the changing needs of the market. It has established long - term partnerships with many leading smartphone manufacturers, becoming a key supplier in the industry.


The company's production facilities are equipped with advanced manufacturing equipment, enabling it to achieve high - volume production of HDI circuit boards with consistent quality. ZDT also pays great attention to environmental protection and has implemented a series of measures to reduce its environmental impact.


Features and Advantages in HDI Circuit Board


  • Consumer Electronics Focus: ZDT has in - depth knowledge and experience in serving the consumer electronics industry. Its HDI circuit boards are designed to meet the specific requirements of smartphones, such as high - speed signal transmission and compact size.
  • High - Volume and High - Quality Production: The company has a large - scale production capacity, allowing it to meet the high - volume demand of the consumer electronics market. At the same time, it maintains strict quality control, ensuring that each HDI circuit board meets the high - quality standards required by smartphone manufacturers.
  • Rapid Product Development: ZDT's R & D team can quickly respond to the market's new needs and develop new HDI circuit board products. This ability to innovate and adapt to market changes gives the company a competitive edge in the industry.
  • Cost - Effective Solutions: Through efficient production management and cost control measures, ZDT can provide cost - effective HDI circuit board solutions without sacrificing quality.


5. AT&S Austria Technologie & Systemtechnik AG

Company IntroductionAT&S Austria Technologie & Systemtechnik AG is an international company specializing in high - end PCB manufacturing, including HDI circuit boards. It was founded in 1987 and has its headquarters in Austria. The company has manufacturing plants in Austria, China, Korea, and other countries, serving customers worldwide.


AT&S is known for its advanced technology and high - quality products. It focuses on developing and producing PCBs for high - performance applications, such as telecommunications, automotive, and aerospace. The company has a strong R & D department that is constantly exploring new materials and manufacturing processes to improve the performance of its HDI circuit boards.


AT&S places great importance on sustainability. It has implemented a number of environmental and social responsibility initiatives, aiming to make its manufacturing processes more environmentally friendly and socially responsible.


Features and Advantages in HDI Circuit Board


  • High - End Application Focus: AT&S's HDI circuit boards are designed for high - end applications, such as 5G telecommunications equipment and automotive advanced driver - assistance systems (ADAS). The company's products can meet the strict requirements of these high - performance applications in terms of signal integrity, reliability, and thermal management.
  • Advanced R & D Capabilities: The company invests a significant amount of resources in R & D. It has developed a number of patented technologies for HDI circuit board manufacturing, which give it a technological advantage in the market.
  • Global Presence and Local Support: With manufacturing facilities and sales offices around the world, AT&S can provide global customers with local support. This allows the company to better understand and meet the specific needs of different markets.
  • Sustainable Manufacturing: AT&S is committed to sustainable manufacturing. It uses environmentally friendly materials and processes in the production of HDI circuit boards, reducing its environmental impact while maintaining high - quality products.


6. TTM Technologies, Inc.

Company IntroductionTTM Technologies, Inc. is a leading global provider of printed circuit board solutions, including HDI circuit boards. The company was formed in 2007 through the merger of two major PCB manufacturers. It has a global footprint with manufacturing facilities in North America, Asia, and Europe.


TTM Technologies offers a comprehensive range of PCB products and services, from prototype to high - volume production. Its HDI circuit boards are used in various industries, such as aerospace, defense, medical, and telecommunications. The company has a team of experienced engineers and technicians who are dedicated to providing customers with high - quality solutions.


The company is also committed to innovation. It invests in research and development to develop new technologies and improve the performance of its products. TTM Technologies has a strong quality management system in place to ensure that its HDI circuit boards meet the highest standards.


Features and Advantages in HDI Circuit Board


  • Diverse Industry Applications: TTM Technologies' HDI circuit boards are used in a wide variety of industries. This diversity allows the company to gain in - depth knowledge of different industry requirements and develop customized solutions for each application.
  • Full - Service Capability: The company offers a full - service solution, from design and prototyping to high - volume production. This one - stop - shop service saves customers time and effort in the PCB manufacturing process.
  • Global Manufacturing and Support: With manufacturing facilities around the world, TTM Technologies can provide global customers with fast and efficient service. Its local support teams can respond quickly to customer inquiries and resolve issues in a timely manner.
  • Quality and Reliability: TTM Technologies has a strict quality control system, ensuring that its HDI circuit boards are of high quality and reliability. The company's products have been widely recognized and trusted by customers in different industries.


7. Nippon Mektron Ltd.

Company IntroductionNippon Mektron Ltd. is a Japanese company with a long - standing history in the PCB manufacturing industry. Founded in 1969, the company has been at the forefront of HDI circuit board technology development. It has manufacturing plants in Japan, China, and other countries, serving a global customer base.


Nippon Mektron is known for its high - quality HDI circuit boards, which are widely used in consumer electronics, automotive, and telecommunications industries. The company has a strong R & D focus, constantly working on new materials and manufacturing processes to improve the performance and reliability of its products.


The company also places great emphasis on environmental protection. It has implemented a number of measures to reduce waste and energy consumption in the production process, making its manufacturing more sustainable.


Features and Advantages in HDI Circuit Board


  • Advanced Material Development: Nippon Mektron has a strong R & D team dedicated to developing new materials for HDI circuit boards. These materials offer better electrical and mechanical properties, improving the overall performance of the products.
  • High - Quality Manufacturing: The company has a strict quality control system in place, ensuring that every HDI circuit board meets the highest standards. Its manufacturing processes are highly automated, which helps to improve production efficiency and product consistency.
  • Industry - Specific Solutions: Nippon Mektron can provide industry - specific HDI circuit board solutions. For example, its automotive - grade HDI circuit boards are designed to meet the strict requirements of the automotive industry, such as high temperature resistance and long - term reliability.
  • Environmental Sustainability: The company is committed to environmental sustainability. It uses environmentally friendly materials and processes in the production of HDI circuit boards, reducing its environmental impact.


8. Samsung Electro - Mechanics Co., Ltd.

Company IntroductionSamsung Electro - Mechanics Co., Ltd. is a subsidiary of the Samsung Group and is a major player in the global electronics component manufacturing industry, including HDI circuit boards. The company has a strong R & D and manufacturing capabilities, leveraging the resources and technology of the Samsung Group.


Samsung Electro - Mechanics' HDI circuit boards are widely used in Samsung's own electronic products, such as smartphones, tablets, and wearables. The company also supplies its products to other global electronics manufacturers. It has a state - of - the - art manufacturing facility equipped with the latest production and testing equipment.


The company is constantly innovating to improve the performance and quality of its HDI circuit boards. It invests heavily in research and development to develop new technologies and materials, staying ahead of the competition in the market.


Features and Advantages in HDI Circuit Board


  • Integration with Samsung Ecosystem: As a subsidiary of the Samsung Group, Samsung Electro - Mechanics can integrate its HDI circuit boards with other Samsung components. This integration allows for better performance and compatibility in Samsung's electronic products.
  • Cutting - Edge Technology: The company has access to the latest technology and research resources of the Samsung Group. It can develop and apply cutting - edge technologies in the production of HDI circuit boards, such as advanced packaging technologies and high - speed signal transmission technologies.
  • High - Quality and High - Volume Production: Samsung Electro - Mechanics has a large - scale production capacity and a strict quality control system. It can produce high - quality HDI circuit boards in large volumes, meeting the demand of the global electronics market.
  • Global Market Reach: With the support of the Samsung Group, Samsung Electro - Mechanics has a global market reach. It can supply its HDI circuit boards to customers around the world, providing them with fast and efficient service.


9. Multek (a subsidiary of Flex Ltd.)

Company IntroductionMultek, a subsidiary of Flex Ltd., is a well - known PCB manufacturer with a focus on HDI circuit boards. The company has a long history in the industry and has manufacturing facilities in Asia, particularly in China.


Multek offers a wide range of PCB products and solutions, from basic PCBs to high - end HDI circuit boards. Its HDI circuit boards are used in various industries, such as consumer electronics, industrial, and automotive. The company has a team of experienced engineers and technicians who can provide customers with customized design and manufacturing services.


Multek is committed to continuous improvement. It invests in new equipment and technology to improve the efficiency and quality of its production processes. The company also places great importance on customer satisfaction, providing excellent after - sales service.


Features and Advantages in HDI Circuit Board


  • Customized Solutions: Multek can provide customized HDI circuit board solutions according to the specific needs of customers. Its engineering team can work closely with customers to develop the most suitable design and manufacturing process.
  • Cost - Effective Manufacturing: Through efficient production management and cost control measures, Multek can offer cost - effective HDI circuit board manufacturing services. This makes it an attractive option for customers looking for high - quality products at a reasonable price.
  • Quality Assurance: The company has a comprehensive quality control system, ensuring that every HDI circuit board meets the required standards. It conducts strict inspections at every stage of the production process to guarantee the quality and reliability of the products.
  • Localized Manufacturing in Asia: With its manufacturing facilities in Asia, Multek can take advantage of the region's cost - effective labor and supply chain. This allows the company to provide competitive pricing and fast delivery to its customers.


10. CMK Corporation

Company IntroductionCMK Corporation is a Japanese company that has been actively involved in the PCB manufacturing industry for many years. It is known for its high - quality HDI circuit boards and advanced manufacturing technologies. CMK has manufacturing plants in Japan and other countries, serving a global customer base.


The company's HDI circuit boards are used in a variety of applications, including smartphones, automotive electronics, and industrial equipment. CMK has a strong R & D focus, constantly exploring new materials and manufacturing processes to improve the performance and quality of its products.


CMK also places great emphasis on quality control. It has a strict inspection system in place to ensure that every HDI circuit board meets the highest standards. The company's commitment to quality has earned it a good reputation in the industry.


Features and Advantages in HDI Circuit Board


  • Advanced Manufacturing Processes: CMK has developed advanced manufacturing processes for HDI circuit boards. These processes allow for the production of high - density, high - performance PCBs with excellent electrical properties.
  • Automotive - Grade Products: The company's HDI circuit boards are widely used in the automotive industry. CMK's automotive - grade products meet the strict requirements of the automotive electronics market, such as high reliability and long - term durability.
  • R & D - Driven Innovation: CMK invests a significant amount of resources in R & D. Its R & D team is constantly working on new technologies and products, which helps the company stay competitive in the market.
  • Global Supply Chain Management: With manufacturing plants in different countries, CMK has a well - managed global supply chain. This allows the company to provide customers with fast and reliable delivery services.


Conclusion

The top 10 HDI circuit board manufacturers in the world in 2025 are a diverse group of companies, each with its own unique strengths and advantages. From innovative technology and high - precision manufacturing to global reach and cost - effective solutions, these companies are leading the way in the HDI circuit board industry.


Shenzhen Tontek Circuits Co., Ltd stands out with its customization capabilities and fast delivery, while Unimicron Technology Corporation is known for its innovative technology and global manufacturing network. Ibiden Co., Ltd offers high - precision manufacturing and advanced material technology, and Zhen Ding Technology Holding Limited focuses on the consumer electronics market.


AT&S Austria Technologie & Systemtechnik AG is strong in high - end applications and sustainable manufacturing, and TTM Technologies, Inc provides full - service solutions and has a diverse industry application portfolio. Nippon Mektron Ltd excels in advanced material development and environmental sustainability, and Samsung Electro - Mechanics Co., Ltd benefits from its integration with the Samsung ecosystem.


Multek offers customized and cost - effective solutions, and CMK Corporation is known for its advanced manufacturing processes and automotive - grade products. As the demand for smaller, more powerful electronic devices continues to grow, these manufacturers will play a crucial role in driving the development of the HDI circuit board industry in the future.