Ten magnetic shielding suppliers highlighted for 2026

A new roundup spotlights 10 suppliers of magnetic shielding materials as demand rises for low-frequency magnetic-field and EMI protection in electronics, healthcare, aerospace and industrial uses. The article also points to market growth in soft magnetic alloys through 2033, with Asia Pacific and China holding the largest share.

Why it matters: - Magnetic shielding materials help reduce low-frequency magnetic fields and electromagnetic interference in precision instruments, medical devices, aerospace systems and industrial electronics. - The global soft magnetic materials market is valued at about USD 23.0 billion in 2025 and is projected to reach USD 33.9 billion by 2033, according to Grand View Research. - Soft magnetic alloys such as Permalloy, mu-metal and cobalt-iron alloys are forecast to grow at a 3.1% CAGR from 2024 to 2030, reaching USD 4.14 billion, according to QY Research. - Asia Pacific holds the largest share of global soft magnetic materials volume in 2025, at 41.0% to 49.37%, with China as the leading producer.

What happened: - An article dated July 27, 2026 profiled 10 reputable suppliers of magnetic shielding materials for low-magnetic and EMI protection. - The supplier list spans China, Germany, Japan and the United States. - Cheng Yuan Alloy was identified as one of the featured suppliers, with Hebei, China, listed as its base.

The details: - Shijiazhuang Cheng Yuan Alloy Material Co., Ltd. focuses on soft magnetic alloys, especially Permalloy strips, bars and wires in the 1J series, including 1J22, 1J79, 1J50, 1J85 and 1J54. - Cheng Yuan Alloy targets transformer, audio, new energy vehicle and high-frequency electronics applications. - Cheng Yuan Alloy lists initial permeability of 10,000–200,000, maximum permeability up to 450,000, saturation flux density of 0.6–2.35 T and thickness from 0.01–2.0 mm. - The company says its Permalloy grades comply with ASTM A753 and GB/T 15014 standards for magnetic shielding and high-permeability uses. - Cheng Yuan Alloy offers OEM customization, a monthly capacity of 300 tons, a 30-day lead time and a minimum order quantity of 50 kg. - The company exports to Russia, Germany, France, Italy, the United States, Canada, South Korea, Japan, Brazil and India. - The company lists contact details including Alex Zhang, chengyuan.alexey@gmail.com, +86 13673186216, and more information. - Vacuumschmelze GmbH & Co. KG, based in Germany, manufactures high-permeability nanocrystalline and amorphous soft magnetic alloys. - VAC’s VITROPERM and VITROVAC materials are used for magnetic shielding in sensitive measurement equipment, medical devices and railway signaling. - VAC also offers ultra-thin foils for low-field shielding and components for common-mode chokes. - Proterial, Ltd. in Japan produces Finemet nanocrystalline alloys and high-permeability Permalloy materials under FA- and PC-series brands. - Proterial materials are used in magnetic shielding, current sensors and high-frequency transformers, with stable permeability across a wide temperature range. - Carpenter Technology Corporation in the United States is known for HiperCo 50 alloy, equivalent to 1J22, and compliant with ASTM A801 Type 1 specifications. - HiperCo 50 is optimized for high-speed rotors, stator laminations and magnetic shielding in aerospace and defense applications. - Arnold Magnetic Technologies, headquartered in the USA, supplies mu-metal, Hipernom and Permalloy materials. - Arnold provides stamped and fabricated shields for medical, military and industrial electronics. - Arnold’s materials achieve relative permeability above 100,000 at low frequencies. - Magnetics, a division of Spang & Co. in Pennsylvania, manufactures 80 Permalloy, Supermalloy and MPP cores. - Magnetics strip products are used for magnetic shielding enclosures and transformer cores, and the company provides custom slitting and annealing services. - MHA Zentgraf GmbH in Germany supplies single-layer and multilayer shielding from mu-metal and Permalloy strips. - MHA Zentgraf’s shielding is used in laboratory equipment, automotive sensors and renewable energy systems, including deep-drawn and welded shields. - Magnetic Shield Corporation in Bensenville, Illinois, fabricates custom magnetic shields from high-permeability alloys such as Co-Netic and Permalloy. - MSC supplies standard and custom shielding for cathode ray tubes, transformers and MRI rooms. - Amuneal Manufacturing Corporation in Philadelphia makes magnetic shielding components from mu-metal and other soft magnetic alloys. - Amuneal offers standard shielding kits, demagnetization services and custom enclosures for sensitive electronic equipment. - Ad-Vance Magnetics, Inc. in Indiana produces magnetic shielding materials and assemblies using mu-metal and other high-permeability alloys. - Ad-Vance Magnetics serves avionics, communications and industrial control systems with single-piece and high-volume production. - The article says many suppliers now offer materials that meet ASTM A753 for Permalloy and ASTM A801 for cobalt-iron alloys. - The article says buyers should evaluate permeability, saturation flux density, thickness tolerances and certification compliance when selecting a supplier. - The article links demand growth to automotive electrification, 5G infrastructure and medical imaging equipment.

Between the lines: - The supplier roundup suggests shielding materials remain a specialized but growing market tied to electrification, medical imaging and high-frequency electronics. - The emphasis on permeability, certification and fabrication services shows buyers want both material performance and manufacturing consistency. - The strong Asia Pacific share underscores China’s role as a key production base, while U.S., German and Japanese suppliers remain important for high-spec applications.

What's next: - Demand for magnetic shielding materials is expected to keep rising as electronics become more sensitive to interference and as new energy vehicles and imaging systems expand. - Suppliers that can combine high permeability, tight tolerances, custom fabrication and standards compliance are likely to remain most competitive. - The article points to continued comparison shopping around ASTM-compliant materials, thickness control and lead times.