As the application scale of mobile communication, satellite communication, and high-voltage power transmission technologies continues to expand, the volume of electromagnetic radiation is rapidly increasing.

Electromagnetic radiation control entails implementing measures for electrical equipment that generates electromagnetic waves to minimize leakage, thereby mitigating harm to human health and communication quality interference.

Electromagnetic radiation encompasses emitted or leaked waves of varying frequencies (wavelengths), including radio waves, microwaves, infrared rays, ultraviolet rays, and X-rays. Leaked waves can lead to electromagnetic radiation pollution issues commonly found in power transmission and substations, microwave signal towers, radio and television transmission towers, radars, and communication base stations.

According to the "2025-2030 China Electromagnetic Radiation Control Industry Market In-depth Research and Development Prospects Forecast Report" by the Newthink Tank Industry Research Center, the escalating use of mobile communication, satellite communication, and high-voltage power transmission technologies is driving a rapid increase in electromagnetic radiation. Shorter wavelengths pose a greater threat to human health, while electromagnetic radiation can interfere with communication and navigation systems, compromising transportation safety. Additionally, it can disrupt the operation of electronic equipment, instruments, and meters, affecting industrial safety. Thus, the development and application of electromagnetic radiation control technologies are crucial.

Electromagnetic radiation control technologies encompass shielding, grounding, filtering, and absorption methods. Shielding employs conductive metals to absorb and reflect radiation; grounding diverts radio frequency and high-frequency currents to the ground; filtering allows specific frequencies to pass while blocking others; and absorption utilizes materials like metals, graphite, plastics, rubber, and ceramics to reduce direct radiation from sources.

The Chinese government emphasizes the growth of the electromagnetic radiation control industry. On January 1, 2015, the "Limits for Control of Electromagnetic Environment" (GB8702-2014) was implemented, setting protection limits for frequencies ranging from 100KHZ to 300GHZ. On February 1, 2024, the "Guidance Catalogue for Industrial Restructuring (2024 Edition)" listed the development and application of electromagnetic radiation control technologies for power grids and information systems as encouraged projects in the environmental protection and resource conservation section.

Industry analysts from Newthink Tank assert that the global electromagnetic radiation control market is expanding due to the rapid growth of electromagnetic radiation, heightened public awareness of health and environmental protection, and government initiatives worldwide. From the perspective of electromagnetic shielding alone, the global market size is expected to grow at a compound annual growth rate of 4.2% from 2024 to 2030. Key players in this market include foreign companies like Laird, Parker Chomerics, and Nolato, as well as domestic firms such as Feirongda, Hongfucheng, Watertek, Longyang Electronics, and Chengfeng New Materials.

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