Top 10 smb connector Factory in China

Jan 13, 2026Leave a message

Introduction to SMB Connector

The SMB (Sub - Miniature Version B) connector is a widely used RF (Radio Frequency) connector in the electronics industry. It features a snap - on coupling mechanism, which allows for quick and easy connection and disconnection. SMB connectors are known for their high - frequency performance, typically operating up to 4 GHz, and are commonly used in applications such as wireless communication systems, test and measurement equipment, and military and aerospace electronics. They offer good electrical performance, including low insertion loss and high return loss, which ensures efficient signal transmission.


Top 10 SMB Connector Factories in China

1. Zhenjiang Tongda Electronics Co., Ltd.

Zhenjiang Tongda Electronics Co., Ltd. is a well - established enterprise in the field of RF connectors. With years of experience in the industry, the company has gained a solid reputation for its high - quality products and excellent customer service.


The company is committed to research and development, constantly improving the performance and quality of its SMB connectors. They use advanced manufacturing processes and high - quality materials to ensure that their products meet international standards. Their SMB connectors are widely used in various industries, including telecommunications, automotive electronics, and aerospace.


Features in SMB Connector:


  • High - Frequency Performance: Zhenjiang Tongda's SMB connectors can achieve excellent electrical performance at high frequencies, with low insertion loss and high return loss, which is crucial for reliable signal transmission in high - speed communication systems.
  • Precision Manufacturing: The company uses precision machining technology to ensure the dimensional accuracy of the connectors, which helps to improve the stability and reliability of the connection.
  • Customization: They offer customized SMB connectors according to customers' specific requirements, such as different sizes, impedance values, and plating options.


Advantages:


  • Technical Expertise: The company has a team of experienced engineers and technicians who are proficient in RF connector technology, enabling them to provide professional technical support to customers.
  • Quality Assurance: They have a strict quality control system in place, from raw material inspection to finished product testing, ensuring that every SMB connector meets the highest quality standards.
  • Competitive Pricing: Despite the high - quality products, Zhenjiang Tongda offers competitive prices, which makes their products more attractive to customers.


Website: https://www.chinarfconnector.com/


2. Amphenol - Shanghai Co., Ltd.

Amphenol - Shanghai Co., Ltd. is a subsidiary of Amphenol Corporation, a global leader in the design, manufacture, and supply of electrical, electronic, and fiber - optic connectors, interconnect systems, and coaxial and flat - ribbon cable.


The company has a long - standing history of innovation and excellence in the connector industry. In the field of SMB connectors, Amphenol - Shanghai benefits from the parent company's advanced technology and global resources. They have a state - of - the - art manufacturing facility in Shanghai, which is equipped with the latest production and testing equipment.


Features in SMB Connector:


  • Wide Range of Products: Amphenol - Shanghai offers a comprehensive range of SMB connectors, including straight and right - angle configurations, male and female connectors, and different termination options such as solder, crimp, and PCB mount.
  • High - Quality Materials: They use high - grade materials in the production of SMB connectors, such as brass for the body and gold or silver plating for the contacts, which enhances the electrical conductivity and corrosion resistance of the connectors.
  • Compatibility: Their SMB connectors are designed to be fully compatible with industry - standard interfaces, ensuring seamless integration with other equipment.


Advantages:


  • Global Brand Recognition: As part of Amphenol Corporation, the company enjoys high brand recognition globally, which gives customers confidence in the quality and reliability of their products.
  • Research and Development Capability: Amphenol - Shanghai invests heavily in research and development, constantly introducing new and improved SMB connector products to meet the evolving needs of the market.
  • Global Customer Support: With a global sales and support network, the company can provide timely and efficient customer service to customers around the world.


3. Shenzhen Sunlord Electronics Co., Ltd.

Shenzhen Sunlord Electronics Co., Ltd. is a leading provider of passive electronic components and interconnect solutions in China. The company has a strong focus on R & D and innovation, and has developed a wide range of high - performance SMB connectors.


Sunlord has a modern manufacturing base in Shenzhen, which is equipped with advanced production lines and testing facilities. The company adheres to strict quality management systems, ensuring that its SMB connectors meet the highest quality and reliability standards.


Features in SMB Connector:


  • Miniaturization: Sunlord is at the forefront of miniaturization technology in SMB connectors. They have developed ultra - small SMB connectors that are suitable for applications where space is limited, such as in mobile devices and wearable electronics.
  • High - Temperature Resistance: Their SMB connectors are designed to withstand high - temperature environments, making them suitable for use in automotive, industrial, and military applications.
  • Good Signal Integrity: The company uses advanced design and manufacturing techniques to ensure good signal integrity in its SMB connectors, reducing signal distortion and interference.


Advantages:


  • Strong R & D Team: Sunlord has a large and experienced R & D team that is constantly working on new product development and technology improvement.
  • Cost - Effective Solutions: The company offers cost - effective SMB connector solutions without compromising on quality, which is attractive to price - sensitive customers.
  • Fast Delivery: With an efficient production and supply chain management system, Sunlord can ensure fast delivery of products to customers.


4. Jiangsu Changjiang Electronics Technology Co., Ltd.

Jiangsu Changjiang Electronics Technology Co., Ltd. is a well - known semiconductor and electronic component manufacturer in China. The company has expanded its product portfolio to include SMB connectors, leveraging its expertise in semiconductor packaging and testing technology.


The company has a large - scale manufacturing plant in Jiangsu, which is capable of mass - producing high - quality SMB connectors. They have a complete set of production processes, from raw material processing to final assembly and testing.


Features in SMB Connector:


  • High - Precision Manufacturing: Jiangsu Changjiang uses high - precision manufacturing equipment and processes to ensure the accuracy and consistency of its SMB connectors. This results in connectors with excellent electrical and mechanical performance.
  • Automated Production: The company has a high degree of automation in its production lines, which improves production efficiency and reduces the risk of human error.
  • Environmental Adaptability: Their SMB connectors are designed to be resistant to environmental factors such as moisture, dust, and vibration, making them suitable for use in harsh industrial and outdoor environments.


Advantages:


  • Semiconductor Technology Integration: By integrating semiconductor technology into the design and production of SMB connectors, the company can offer connectors with enhanced functionality and performance.
  • Large - Scale Production Capacity: The company's large - scale production capacity allows it to meet the high - volume demand of customers in a timely manner.
  • Quality Certification: Jiangsu Changjiang has obtained various international quality certifications, which further demonstrates the high quality of its SMB connectors.


5. Beijing 718 High - Tech Co., Ltd.

Beijing 718 High - Tech Co., Ltd. is a high - tech enterprise specializing in the research, development, production, and sales of electronic components and systems. The company has a long - term commitment to technological innovation and has made significant achievements in the field of SMB connectors.


The company has a professional R & D team and a well - equipped production base in Beijing. They focus on providing high - end SMB connector products for the military, aerospace, and high - end communication industries.


Features in SMB Connector:


  • Military - Grade Quality: Beijing 718's SMB connectors are designed and manufactured to meet military - grade standards, with high reliability, durability, and performance under extreme conditions.
  • High - Speed Signal Transmission: The company uses advanced materials and design techniques to ensure high - speed signal transmission in its SMB connectors, which is crucial for modern high - speed communication systems.
  • Shielding Performance: Their SMB connectors are equipped with effective shielding structures to reduce electromagnetic interference (EMI) and radio - frequency interference (RFI), ensuring the stability of signal transmission.


Advantages:


  • Military - Industry Experience: With years of experience in serving the military and aerospace industries, the company has in - depth knowledge of the strict requirements of these industries and can provide customized solutions accordingly.
  • Advanced Testing Equipment: The company has a set of advanced testing equipment to conduct comprehensive testing on SMB connectors, including electrical performance testing, environmental testing, and mechanical performance testing.
  • Technical Support for Special Applications: Beijing 718 can provide professional technical support for customers with special application requirements, such as in high - altitude, high - temperature, or high - radiation environments.


6. Tianjin 754 Factory

Tianjin 754 Factory is a state - owned enterprise with a long history in the production of electronic components. The factory has a strong technical foundation and rich production experience in the field of RF connectors, including SMB connectors.


The factory has a large - scale production facility in Tianjin, which is equipped with traditional and modern production equipment. They have a complete quality control system to ensure the quality of their SMB connectors.


Features in SMB Connector:


  • Traditional Craftsmanship and Modern Technology Combination: Tianjin 754 Factory combines traditional craftsmanship with modern manufacturing technology in the production of SMB connectors. This results in connectors with both high quality and unique characteristics.
  • Good Mechanical Stability: Their SMB connectors have excellent mechanical stability, with a firm coupling mechanism that can withstand repeated plugging and unplugging without losing performance.
  • Cost - Effective for Mass Production: The factory offers cost - effective SMB connector solutions for mass production, which is suitable for large - scale industrial applications.


Advantages:


  • State - Owned Enterprise Trust: As a state - owned enterprise, Tianjin 754 Factory enjoys high trust from customers, especially in the domestic market.
  • Long - Term Industry Experience: The factory's long - term experience in the industry allows it to have a deep understanding of customer needs and market trends, enabling it to provide more suitable products.
  • Local Supply Advantage: For domestic customers in North China, the factory can provide faster delivery and more convenient after - sales service due to its geographical location.


7. Guizhou Space Appliance Co., Ltd.

Guizhou Space Appliance Co., Ltd. is a key enterprise in the aerospace industry in China. The company is mainly engaged in the research, development, and production of aerospace - grade electronic components, including SMB connectors.


The company has a high - level R & D team and a strict quality control system. They use advanced materials and manufacturing processes to ensure the high quality and reliability of their SMB connectors, which are widely used in aerospace and satellite communication systems.


Features in SMB Connector:


  • Aerospace - Grade Quality: Guizhou Space Appliance's SMB connectors are designed to meet the extremely high requirements of the aerospace industry, such as high reliability, low weight, and resistance to space radiation.
  • Lightweight Design: In order to meet the weight - reduction requirements of aerospace applications, the company has developed lightweight SMB connectors without sacrificing performance.
  • High - Vacuum Resistance: Their SMB connectors are designed to work properly in high - vacuum environments, which is essential for space applications.


Advantages:


  • Aerospace Technology Expertise: The company's in - depth knowledge of aerospace technology gives it a unique advantage in the design and production of high - performance SMB connectors.
  • Stringent Quality Control: The strict quality control system ensures that every SMB connector meets the high - end requirements of the aerospace industry.
  • Continuous Innovation: Guizhou Space Appliance is committed to continuous innovation, constantly improving the performance and functionality of its SMB connectors to meet the future needs of the aerospace industry.


8. Nanjing 14th Research Institute (CETC 14)

Nanjing 14th Research Institute, also known as CETC 14, is a well - known research institute under the China Electronics Technology Group Corporation. The institute has strong R & D capabilities and advanced manufacturing facilities.


In the field of SMB connectors, CETC 14 focuses on developing high - end and high - performance products for military, radar, and communication systems. The institute has a team of top - level experts and researchers who are dedicated to technological innovation.


Features in SMB Connector:


  • High - Performance Design: CETC 14's SMB connectors are designed with high - performance features, such as low VSWR (Voltage Standing Wave Ratio) and high power - handling capacity, which are crucial for high - end military and communication applications.
  • Advanced Materials Application: The institute uses advanced materials in the production of SMB connectors, such as new - type alloys and composite materials, to improve the performance and durability of the connectors.
  • Customized Solutions for Special Systems: They can provide customized SMB connector solutions for special military and radar systems, meeting the specific requirements of different applications.


Advantages:


  • Strong R & D Strength: The institute's strong R & D strength allows it to stay at the forefront of technology in the field of SMB connectors.
  • Military - Industry Collaboration: CETC 14 has close collaboration with the military industry, which enables it to understand the latest requirements of the military and develop products accordingly.
  • Quality and Reliability Assurance: The institute's strict quality control and testing procedures ensure the high quality and reliability of its SMB connectors.


9. Shanghai Aostar Electronics Co., Ltd.

Shanghai Aostar Electronics Co., Ltd. is a professional manufacturer of RF connectors and cables. The company has a modern production base in Shanghai and a complete set of production and testing equipment.


The company focuses on providing SMB connector products with high - cost performance for the communication, automotive, and consumer electronics industries. They have a flexible production system that can quickly respond to customer needs.


Features in SMB Connector:


  • Quick - Response Customization: Shanghai Aostar can quickly customize SMB connectors according to customers' specific requirements, with a short lead time from design to production.
  • Cost - Effective Product Line: The company offers a wide range of cost - effective SMB connectors without sacrificing basic performance, which is suitable for price - sensitive markets.
  • Good Product Compatibility: Their SMB connectors are designed to be compatible with a variety of standard interfaces, making them easy to integrate into different systems.


Advantages:


  • Flexible Production Management: The company's flexible production management system allows it to adjust production plans according to market demand, ensuring timely delivery of products.
  • Customer - Oriented Service: Shanghai Aostar emphasizes customer - oriented service, providing customers with professional pre - sales and after - sales support.
  • Local Market Advantage in Shanghai: Located in Shanghai, the company has easy access to a large number of customers in the Yangtze River Delta region and can better understand the market dynamics in this area.


10. Xi'an 409 Factory

Xi'an 409 Factory is an important enterprise in the field of electronic components in China. The factory has a long - standing history of producing high - quality RF connectors, including SMB connectors.


The factory has a large - scale production plant in Xi'an and a team of experienced workers and technicians. They adhere to strict quality control standards and have a good reputation in the market.


Features in SMB Connector:


  • Stable Product Quality: Xi'an 409 Factory's SMB connectors are known for their stable product quality, with consistent electrical and mechanical performance in large - scale production.
  • Good Cost - Performance Ratio: The factory offers SMB connectors with a good cost - performance ratio, which is suitable for medium - and large - scale industrial applications.
  • Mechanical Durability: Their connectors are designed to be mechanically durable, with a long service life even under frequent use.


Advantages:


  • Industry Reputation: The factory's long - term good reputation in the industry gives customers confidence in the quality of its products.
  • Skilled Workforce: The experienced and skilled workforce in the factory ensures the high - quality production of SMB connectors.
  • Regional Industrial Cluster Advantage: Located in Xi'an, which has a strong electronics industry cluster, the factory can benefit from the local industrial resources and cooperation opportunities.


Summary

The above - listed top 10 SMB connector factories in China represent a diverse range of capabilities and strengths in the field of SMB connector manufacturing. From global giants like Amphenol - Shanghai to specialized high - tech enterprises and state - owned factories, each company has its own unique features and advantages.


Some companies, such as Zhenjiang Tongda Electronics Co., Ltd. and Shanghai Aostar Electronics Co., Ltd., focus on providing cost - effective solutions with good quality and customization capabilities. Others, like Guizhou Space Appliance Co., Ltd. and Beijing 718 High - Tech Co., Ltd., are dedicated to high - end applications in the military and aerospace industries, offering products with extremely high performance and reliability.


In general, these factories play an important role in the global SMB connector market, meeting the diverse needs of customers from different industries. With continuous technological innovation and improvement in production processes, they are expected to further enhance their competitiveness and contribute to the development of the RF connector industry.