Specializes in R&D and manufacturing of EMI/RFI filters
Established in 1994,Specialized in EMl/RFl filter developing and manufacturing,a high-tech enterprise that devoted to develop, manufacture and global sales. with comprehensive technical support and RD system,equipped with dedicated testing lab(SMTA)and sample center,safety system with UL1283,CSA C22.2 No.8(C-UL),VDE0565 Teil3-1,IEC/EN60939.All filter are self-developed, with multicountries & independent intellectual property rights.
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Filters Design
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Cooperation Clients
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Top 500 corporations
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EMC-compliance solution experience
High-quality manufacturer of EMI/RFI filters
Products
High&Low filters effectively control EMI signal problems, and have been certified by major safety agencies such as UL, ENEC, UKCA, VDE, etc., to meet
international compliance standards and improve the immunity and safety of electrical and electronic equipment
DC Filter
AC Filter
Special market filter
RC Snubber
ISO9001 international standard factory
The factory is located in Shenzhen Guangming Tefa Industrial Park, with a production area of 10,000 m², including automatic winding group, semi-automatic glue potting group, automatic test line, 3 assembly lines, 3 test lines and 3 packaging lines. The factory strictly follows the ISO9001 quality management system standards from IQC incoming material inspection to finished product testing and warehousing.
100% quality control system
Advanced production and R&D equipment
High production capacity, quality and quantity delivery
Advantage
  • Professional team
  • Test equipment
  • Laboratory
  • Research platform
  • Collaboration platform





Professional technical team
High&Low has an experienced and professional technical team, focusing on the R&D and manufacturing of EMI filters. We have 30 years of experience in the field of electromagnetic compatibility (EMC) to ensure the efficient performance of our products.





State-of-the-art laboratory equipment
Equipped with industry-leading laboratory equipment, High&Low can accurately simulate a variety of complex electromagnetic environments for rigorous product testing and optimization. Our equipment provides a strong guarantee for product quality.





Standardized safety laboratory
High&Low has a standardized safety laboratory to test product safety and reliability in strict accordance with international standards. We are committed to ensuring that every product meets the safety requirements of the global market and provides customers with safe and reliable solutions.





Well-established research platform
We have established a comprehensive research platform to support the entire process from basic research to product development, ensuring that every EMI filter is scientifically validated and carefully designed to meet the high standards of our customers.





High-quality cooperation platform
High&Low has established long-term and stable cooperative relations with a number of high-quality EMI filter suppliers. We have access to cost-effective, high-quality materials and technical support to ensure that our products are competitive in the market and provide customers with high-quality solutions.



We don't just pay attention to the details of our products More focus on user experience
EMI filter performance tuning
We are committed to optimizing the performance of EMI filters, and through precise testing and debugging, we ensure that the filters play a stable effect in various complex electromagnetic environments. We focus on noise suppression, EMI interference handling, filtering accuracy and frequency response to ensure the stability and reliability of the equipment in different application scenarios.
EMI filter quality debugging
Our team is familiar with the various filter technologies on the market and focuses on optimizing the overall performance of the filter. Through sophisticated EMC testing and optimization, we ensure that EMI filters provide the best EMI quality in a wide range of applications, reduce interference, and improve the operational efficiency and reliability of the system.
Hotline：+86 (755) 2138-2099
Teams：181 2625 2055
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