High&Low EMC | EMI Filter Manufacturer

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Three-phase, single-phase, and DC power line filters

Suitable for anechoic chambers, shielded rooms

Universal Electric Vehicle HVDC Filter

Ultra-high-performance

single-phase three-level EMI Filter

Widely used in industrial equipment

Pioneer in EMI/RFI Filter Manufacturing

32 Years of Craftsmanship Ensuring Electromagnetic Safety of Equipment

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.

More Product

Filters Design

Cooperation Clients

Top 500 corporations

years

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.

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.